paulgoughbooks_old
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<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014-2019 British Columbia Institute of Technology * Copyright (c) 2019-2020 CodeIgniter Foundation * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @package CodeIgniter * @author CodeIgniter Dev Team * @copyright 2019-2020 CodeIgniter Foundation * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 4.0.0 * @filesource */ use Config\Services; /** * CodeIgniter Form Helpers * * @package CodeIgniter */ //-------------------------------------------------------------------- if (! function_exists('form_open')) { /** * Form Declaration * * Creates the opening portion of the form. * * @param string $action the URI segments of the form destination * @param array|string $attributes a key/value pair of attributes, or string representation * @param array $hidden a key/value pair hidden data * * @return string */ function form_open(string $action = '', $attributes = [], array $hidden = []): string { // If no action is provided then set to the current url if (! $action) { $action = current_url(true); } // If an action is not a full URL then turn it into one elseif (strpos($action, '://') === false) { // If an action has {locale} if (strpos($action, '{locale}') !== false) { $action = str_replace('{locale}', Services::request()->getLocale(), $action); } $action = site_url($action); } if (is_array($attributes) && array_key_exists('csrf_id', $attributes)) { $csrfId = $attributes['csrf_id']; unset($attributes['csrf_id']); } $attributes = stringify_attributes($attributes); if (stripos($attributes, 'method=') === false) { $attributes .= ' method="post"'; } if (stripos($attributes, 'accept-charset=') === false) { $config = config(\Config\App::class); $attributes .= ' accept-charset="' . strtolower($config->charset) . '"'; } $form = '<form action="' . $action . '"' . $attributes . ">\n"; // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites $before = Services::filters() ->getFilters()['before']; if ((in_array('csrf', $before) || array_key_exists('csrf', $before)) && strpos($action, base_url()) !== false && ! stripos($form, 'method="get"')) { $form .= csrf_field($csrfId ?? null); } if (is_array($hidden)) { foreach ($hidden as $name => $value) { $form .= form_hidden($name, $value); } } return $form; } } //-------------------------------------------------------------------- if (! function_exists('form_open_multipart')) { /** * Form Declaration - Multipart type * * Creates the opening portion of the form, but with "multipart/form-data". * * @param string $action The URI segments of the form destination * @param array|string $attributes A key/value pair of attributes, or the same as a string * @param array $hidden A key/value pair hidden data * * @return string */ function form_open_multipart(string $action = '', $attributes = [], array $hidden = []): string { if (is_string($attributes)) { $attributes .= ' enctype="' . esc('multipart/form-data', 'attr') . '"'; } else { $attributes['enctype'] = 'multipart/form-data'; } return form_open($action, $attributes, $hidden); } } //-------------------------------------------------------------------- if (! function_exists('form_hidden')) { /** * Hidden Input Field * * Generates hidden fields. You can pass a simple key/value string or * an associative array with multiple values. * * @param string|array $name Field name or associative array to create multiple fields * @param string|array $value Field value * @param boolean $recursing * * @return string */ function form_hidden($name, $value = '', bool $recursing = false): string { static $form; if ($recursing === false) { $form = "\n"; } if (is_array($name)) { foreach ($name as $key => $val) { form_hidden($key, $val, true); } return $form; } if (! is_array($value)) { $form .= '<input type="hidden" name="' . $name . '" value="' . esc($value) . "\" style=\"display:none;\" />\n"; } else { foreach ($value as $k => $v) { $k = is_int($k) ? '' : $k; form_hidden($name . '[' . $k . ']', $v, true); } } return $form; } } //-------------------------------------------------------------------- if (! function_exists('form_input')) { /** * Text Input Field. If 'type' is passed in the $type field, it will be * used as the input type, for making 'email', 'phone', etc input fields. * * @param mixed $data * @param string $value * @param mixed $extra * @param string $type * * @return string */ function form_input($data = '', string $value = '', $extra = '', string $type = 'text'): string { $defaults = [ 'type' => $type, 'name' => is_array($data) ? '' : $data, 'value' => $value, ]; return '<input ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . " />\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_password')) { /** * Password Field * * Identical to the input function but adds the "password" type * * @param mixed $data * @param string $value * @param mixed $extra * * @return string */ function form_password($data = '', string $value = '', $extra = ''): string { is_array($data) || $data = ['name' => $data]; $data['type'] = 'password'; return form_input($data, $value, $extra); } } //-------------------------------------------------------------------- if (! function_exists('form_upload')) { /** * Upload Field * * Identical to the input function but adds the "file" type * * @param mixed $data * @param string $value * @param mixed $extra * * @return string */ function form_upload($data = '', string $value = '', $extra = ''): string { $defaults = [ 'type' => 'file', 'name' => '', ]; is_array($data) || $data = ['name' => $data]; $data['type'] = 'file'; return '<input ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . " />\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_textarea')) { /** * Textarea field * * @param mixed $data * @param string $value * @param mixed $extra * * @return string */ function form_textarea($data = '', string $value = '', $extra = ''): string { $defaults = [ 'name' => is_array($data) ? '' : $data, 'cols' => '40', 'rows' => '10', ]; if (! is_array($data) || ! isset($data['value'])) { $val = $value; } else { $val = $data['value']; unset($data['value']); // textareas don't use the value attribute } return '<textarea ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . '>' . htmlspecialchars($val) . "</textarea>\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_multiselect')) { /** * Multi-select menu * * @param string $name * @param array $options * @param array $selected * @param mixed $extra * * @return string */ function form_multiselect(string $name = '', array $options = [], array $selected = [], $extra = ''): string { $extra = stringify_attributes($extra); if (stripos($extra, 'multiple') === false) { $extra .= ' multiple="multiple"'; } return form_dropdown($name, $options, $selected, $extra); } } //-------------------------------------------------------------------- if (! function_exists('form_dropdown')) { /** * Drop-down Menu * * @param mixed $data * @param mixed $options * @param mixed $selected * @param mixed $extra * * @return string */ function form_dropdown($data = '', $options = [], $selected = [], $extra = ''): string { $defaults = []; if (is_array($data)) { if (isset($data['selected'])) { $selected = $data['selected']; unset($data['selected']); // select tags don't have a selected attribute } if (isset($data['options'])) { $options = $data['options']; unset($data['options']); // select tags don't use an options attribute } } else { $defaults = ['name' => $data]; } is_array($selected) || $selected = [$selected]; is_array($options) || $options = [$options]; // If no selected state was submitted we will attempt to set it automatically if (empty($selected)) { if (is_array($data)) { if (isset($data['name'], $_POST[$data['name']])) { $selected = [$_POST[$data['name']]]; } } elseif (isset($_POST[$data])) { $selected = [$_POST[$data]]; } } $extra = stringify_attributes($extra); $multiple = (count($selected) > 1 && stripos($extra, 'multiple') === false) ? ' multiple="multiple"' : ''; $form = '<select ' . rtrim(parse_form_attributes($data, $defaults)) . $extra . $multiple . ">\n"; foreach ($options as $key => $val) { $key = (string) $key; if (is_array($val)) { if (empty($val)) { continue; } $form .= '<optgroup label="' . $key . "\">\n"; foreach ($val as $optgroup_key => $optgroup_val) { $sel = in_array($optgroup_key, $selected) ? ' selected="selected"' : ''; $form .= '<option value="' . htmlspecialchars($optgroup_key) . '"' . $sel . '>' . $optgroup_val . "</option>\n"; } $form .= "</optgroup>\n"; } else { $form .= '<option value="' . htmlspecialchars($key) . '"' . (in_array($key, $selected) ? ' selected="selected"' : '') . '>' . $val . "</option>\n"; } } return $form . "</select>\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_checkbox')) { /** * Checkbox Field * * @param mixed $data * @param string $value * @param boolean $checked * @param mixed $extra * * @return string */ function form_checkbox($data = '', string $value = '', bool $checked = false, $extra = ''): string { $defaults = [ 'type' => 'checkbox', 'name' => ( ! is_array($data) ? $data : ''), 'value' => $value, ]; if (is_array($data) && array_key_exists('checked', $data)) { $checked = $data['checked']; if ($checked === false) { unset($data['checked']); } else { $data['checked'] = 'checked'; } } if ($checked === true) { $defaults['checked'] = 'checked'; } else { unset($defaults['checked']); } return '<input ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . " />\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_radio')) { /** * Radio Button * * @param mixed $data * @param string $value * @param boolean $checked * @param mixed $extra * * @return string */ function form_radio($data = '', string $value = '', bool $checked = false, $extra = ''): string { is_array($data) || $data = ['name' => $data]; $data['type'] = 'radio'; return form_checkbox($data, $value, $checked, $extra); } } //-------------------------------------------------------------------- if (! function_exists('form_submit')) { /** * Submit Button * * @param mixed $data * @param string $value * @param mixed $extra * * @return string */ function form_submit($data = '', string $value = '', $extra = ''): string { $defaults = [ 'type' => 'submit', 'name' => is_array($data) ? '' : $data, 'value' => $value, ]; return '<input ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . " />\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_reset')) { /** * Reset Button * * @param mixed $data * @param string $value * @param mixed $extra * * @return string */ function form_reset($data = '', string $value = '', $extra = ''): string { $defaults = [ 'type' => 'reset', 'name' => is_array($data) ? '' : $data, 'value' => $value, ]; return '<input ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . " />\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_button')) { /** * Form Button * * @param mixed $data * @param string $content * @param mixed $extra * * @return string */ function form_button($data = '', string $content = '', $extra = ''): string { $defaults = [ 'name' => is_array($data) ? '' : $data, 'type' => 'button', ]; if (is_array($data) && isset($data['content'])) { $content = $data['content']; unset($data['content']); // content is not an attribute } return '<button ' . parse_form_attributes($data, $defaults) . stringify_attributes($extra) . '>' . $content . "</button>\n"; } } //-------------------------------------------------------------------- if (! function_exists('form_label')) { /** * Form Label Tag * * @param string $label_text The text to appear onscreen * @param string $id The id the label applies to * @param array $attributes Additional attributes * * @return string */ function form_label(string $label_text = '', string $id = '', array $attributes = []): string { $label = '<label'; if ($id !== '') { $label .= ' for="' . $id . '"'; } if (is_array($attributes) && $attributes) { foreach ($attributes as $key => $val) { $label .= ' ' . $key . '="' . $val . '"'; } } return $label . '>' . $label_text . '</label>'; } } //-------------------------------------------------------------------- if (! function_exists('form_datalist')) { /** * Datalist * * The <datalist> element specifies a list of pre-defined options for an <input> element. * Users will see a drop-down list of pre-defined options as they input data. * The list attribute of the <input> element, must refer to the id attribute of the <datalist> element. * * @param string $name * @param string $value * @param array $options * * @return string */ function form_datalist(string $name, string $value, array $options): string { $data = [ 'type' => 'text', 'name' => $name, 'list' => $name . '_list', 'value' => $value, ]; $out = form_input($data) . "\n"; $out .= "<datalist id='" . $name . '_list' . "'>"; foreach ($options as $option) { $out .= "<option value='$option'>" . "\n"; } return $out . ('</datalist>' . "\n"); } } //-------------------------------------------------------------------- if (! function_exists('form_fieldset')) { /** * Fieldset Tag * * Used to produce <fieldset><legend>text</legend>. To close fieldset * use form_fieldset_close() * * @param string $legend_text The legend text * @param array $attributes Additional attributes * * @return string */ function form_fieldset(string $legend_text = '', array $attributes = []): string { $fieldset = '<fieldset' . stringify_attributes($attributes) . ">\n"; if ($legend_text !== '') { return $fieldset . '<legend>' . $legend_text . "</legend>\n"; } return $fieldset; } } //-------------------------------------------------------------------- if (! function_exists('form_fieldset_close')) { /** * Fieldset Close Tag * * @param string $extra * * @return string */ function form_fieldset_close(string $extra = ''): string { return '</fieldset>' . $extra; } } //-------------------------------------------------------------------- if (! function_exists('form_close')) { /** * Form Close Tag * * @param string $extra * * @return string */ function form_close(string $extra = ''): string { return '</form>' . $extra; } } //-------------------------------------------------------------------- if (! function_exists('set_value')) { /** * Form Value * * Grabs a value from the POST array for the specified field so you can * re-populate an input field or textarea * * @param string $field Field name * @param string $default Default value * @param boolean $html_escape Whether to escape HTML special characters or not * * @return string */ function set_value(string $field, string $default = '', bool $html_escape = true): string { $request = Services::request(); // Try any old input data we may have first $value = $request->getOldInput($field); if ($value === null) { $value = $request->getPost($field) ?? $default; } return ($html_escape) ? esc($value) : $value; } } //-------------------------------------------------------------------- if (! function_exists('set_select')) { /** * Set Select * * Let's you set the selected value of a <select> menu via data in the POST array. * If Form Validation is active it retrieves the info from the validation class * * @param string $field * @param string $value * @param boolean $default * * @return string */ function set_select(string $field, string $value = '', bool $default = false): string { $request = Services::request(); // Try any old input data we may have first $input = $request->getOldInput($field); if ($input === null) { $input = $request->getPost($field); } if ($input === null) { return ($default === true) ? ' selected="selected"' : ''; } if (is_array($input)) { // Note: in_array('', array(0)) returns TRUE, do not use it foreach ($input as &$v) { if ($value === $v) { return ' selected="selected"'; } } return ''; } return ($input === $value) ? ' selected="selected"' : ''; } } //-------------------------------------------------------------------- if (! function_exists('set_checkbox')) { /** * Set Checkbox * * Let's you set the selected value of a checkbox via the value in the POST array. * If Form Validation is active it retrieves the info from the validation class * * @param string $field * @param string $value * @param boolean $default * * @return string */ function set_checkbox(string $field, string $value = '', bool $default = false): string { $request = Services::request(); // Try any old input data we may have first $input = $request->getOldInput($field); if ($input === null) { $input = $request->getPost($field); } if (is_array($input)) { // Note: in_array('', array(0)) returns TRUE, do not use it foreach ($input as &$v) { if ($value === $v) { return ' checked="checked"'; } } return ''; } // Unchecked checkbox and radio inputs are not even submitted by browsers ... if ((string) $input === '0' || ! empty($request->getPost()) || ! empty(old($field))) { return ($input === $value) ? ' checked="checked"' : ''; } return ($default === true) ? ' checked="checked"' : ''; } } //-------------------------------------------------------------------- if (! function_exists('set_radio')) { /** * Set Radio * * Let's you set the selected value of a radio field via info in the POST array. * If Form Validation is active it retrieves the info from the validation class * * @param string $field * @param string $value * @param boolean $default * * @return string */ function set_radio(string $field, string $value = '', bool $default = false): string { $request = Services::request(); // Try any old input data we may have first $input = $request->getOldInput($field); if ($input === null) { $input = $request->getPost($field) ?? $default; } if (is_array($input)) { // Note: in_array('', array(0)) returns TRUE, do not use it foreach ($input as &$v) { if ($value === $v) { return ' checked="checked"'; } } return ''; } // Unchecked checkbox and radio inputs are not even submitted by browsers ... $result = ''; if ((string) $input === '0' || ! empty($input = $request->getPost($field)) || ! empty($input = old($field))) { $result = ($input === $value) ? ' checked="checked"' : ''; } if (empty($result)) { $result = ($default === true) ? ' checked="checked"' : ''; } return $result; } } //-------------------------------------------------------------------- if (! function_exists('parse_form_attributes')) { /** * Parse the form attributes * * Helper function used by some of the form helpers * * @param string|array $attributes List of attributes * @param array $default Default values * * @return string */ function parse_form_attributes($attributes, array $default): string { if (is_array($attributes)) { foreach ($default as $key => $val) { if (isset($attributes[$key])) { $default[$key] = $attributes[$key]; unset($attributes[$key]); } } if (! empty($attributes)) { $default = array_merge($default, $attributes); } } $att = ''; foreach ($default as $key => $val) { if (! is_bool($val)) { if ($key === 'value') { $val = esc($val); } elseif ($key === 'name' && ! strlen($default['name'])) { continue; } $att .= $key . '="' . $val . '" '; } else { $att .= $key . ' '; } } return $att; } //-------------------------------------------------------------------- } |
Commits for paulgoughbooks_old/trunk/system/Helpers/form_helper.php
Revision | Author | Commited | Message |
---|---|---|---|
2 | tporter | Tue 03 Nov, 2020 08:50:21 +0000 | Migration of Paul Goughs Books site to Codeignitor 4 |