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Completed
Push — master ( 760316...4068c7 )
by Marin
01:43
created

gravityforms-multiple-form-instances.php (29 issues)

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1
<?php
2
/**
3
 * Plugin Name: Gravity Forms: Multiple Form Instances
4
 * Description: Allows multiple instances of the same form to be run on a single page when using AJAX.
5
 * Author: tyxla
6
 * Author URI: http://marinatanasov.com/
7
 * Plugin URI: https://github.com/tyxla/Gravity-Forms-Multiple-Form-Instances
8
 * Version: 1.0.15
9
 * License: GPL2
10
 * Requires at least: 3.0.1
11
 * Tested up to: 4.4.1
12
 */
13
14
/**
15
 * The main plugin class.
16
 */
17
class Gravity_Forms_Multiple_Form_Instances {
18
19
	/**
20
	 * Constructor.
21
	 *	
22
	 * Used to initialize the plugin and hook the related functionality.
23
	 *
24
	 * @access public
25
	 */
26 1
	function __construct() {
0 ignored issues
show
It is generally recommended to explicitly declare the visibility for methods.

Adding explicit visibility (private, protected, or public) is generally recommend to communicate to other developers how, and from where this method is intended to be used.

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27
		// hook the HTML ID string find & replace functionality
28 1
		add_filter('gform_get_form_filter', array($this, 'gform_get_form_filter'), 10, 2);
0 ignored issues
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Expected 1 spaces after opening bracket; 0 found
Loading history...
Expected 1 spaces before closing bracket; 0 found
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No space after opening parenthesis of array is bad style
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No space before closing parenthesis of array is bad style
Loading history...
29 1
	}
30
31
	/**
32
	 * Replaces all occurences of the form ID with a new, unique ID.
33
	 *	
34
	 * This is where the magic happens.
35
	 *
36
	 * @access public
37
	 *
38
	 * @param string $form_string The form HTML string.
39
	 * @param array $form Array with the form settings.
40
	 * @return string $form_string The modified form HTML string.
41
	 */
42
	function gform_get_form_filter($form_string, $form) {
0 ignored issues
show
It is generally recommended to explicitly declare the visibility for methods.

Adding explicit visibility (private, protected, or public) is generally recommend to communicate to other developers how, and from where this method is intended to be used.

Loading history...
43
		// if form has been submitted, use the submitted ID, otherwise generate a new unique ID
44
		if (isset($_POST['gform_random_id'])) {
0 ignored issues
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No space after opening parenthesis is prohibited
Loading history...
No space before closing parenthesis is prohibited
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45
			$random_id = absint( $_POST['gform_random_id'] );
0 ignored issues
show
Detected access of super global var $_POST, probably need manual inspection.
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46
		} else {
47
			$random_id = mt_rand();	
48
		}
49
50
		// this is where we keep our unique ID
51
		$hidden_field = "<input type='hidden' name='gform_field_values'";
52
53
		// define all occurences of the original form ID that wont hurt the form input
54
		$strings = array(
55
			"for='choice_"                                                      => "for='choice_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

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56
			"id='choice_"                                                       => "id='choice_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
57
			"id='label_"                                                        => "id='label_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
58
			"'gform_wrapper_" . $form['id'] . "'"                               => "'gform_wrapper_" . $random_id . "'",
59
			"'gf_" . $form['id'] . "'"                                          => "'gf_" . $random_id . "'",
60
			"'gform_" . $form['id'] . "'"                                       => "'gform_" . $random_id . "'",
61
			"'gform_ajax_frame_" . $form['id'] . "'"                            => "'gform_ajax_frame_" . $random_id . "'",
62
			"#gf_" . $form['id'] . "'"                                          => "#gf_" . $random_id . "'",
63
			"'gform_fields_" . $form['id'] . "'"                                => "'gform_fields_" . $random_id . "'",
64
			"id='field_" . $form['id'] . "_"                                    => "id='field_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
65
			"for='input_" . $form['id'] . "_"                                   => "for='input_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
66
			"id='input_" . $form['id'] . "_"                                    => "id='input_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
67
			"'gform_submit_button_" . $form['id'] . "'"                         => "'gform_submit_button_" . $random_id . "'",
68
			'"gf_submitting_' . $form['id'] . '"'                               => '"gf_submitting_' . $random_id . '"',
69
			"'gf_submitting_" . $form['id'] . "'"                               => "'gf_submitting_" . $random_id . "'",
70
			"#gform_ajax_frame_" . $form['id']                                  => "#gform_ajax_frame_" . $random_id,
71
			"#gform_wrapper_" . $form['id']                                     => "#gform_wrapper_" . $random_id,
72
			"#gform_" . $form['id']                                             => "#gform_" . $random_id,
73
			"trigger('gform_post_render', [" . $form['id']                      => "trigger('gform_post_render', [" . $random_id,
74
			"gformInitSpinner( " . $form['id'] . ","                            => "gformInitSpinner( " . $random_id . ",",
75
			"trigger('gform_page_loaded', [" . $form['id']                      => "trigger('gform_page_loaded', [" . $random_id,
76
			"'gform_confirmation_loaded', [" . $form['id'] . "]"                => "'gform_confirmation_loaded', [" . $random_id . "]",
77
			'gf_apply_rules(' . $form['id'] . ','                               => 'gf_apply_rules(' . $random_id . ',',
78
			'gform_confirmation_wrapper_' . $form['id']                         => 'gform_confirmation_wrapper_' . $random_id,
79
			'gforms_confirmation_message_' . $form['id']                        => 'gform_confirmation_wrapper_' . $random_id,
80
			'gform_confirmation_message_' . $form['id']                         => 'gform_confirmation_message_' . $random_id,
81
			'if(formId == ' . $form['id'] . ')'                                 => 'if(formId == ' . $random_id . ')',
82
			"window['gf_form_conditional_logic'][" . $form['id'] . "]"          => "window['gf_form_conditional_logic'][" . $random_id . "]",
83
			"trigger('gform_post_conditional_logic', [" . $form['id'] . ","     => "trigger('gform_post_conditional_logic', [" . $random_id . ",",
84
			'gformShowPasswordStrength("input_' . $form['id'] . '_'             => 'gformShowPasswordStrength("input_' . $random_id . '_',
85
			"gformInitChosenFields('#input_" . $form['id'] . "_"                => "gformInitChosenFields('#input_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
86
			"jQuery('#input_" . $form['id'] . "_"                               => "jQuery('#input_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
87
			'gforms_calendar_icon_input_' . $form['id'] . '_'                   => 'gforms_calendar_icon_input_' . $random_id . '_',
88
			"id='ginput_base_price_" . $form['id'] . "_"                        => "id='ginput_base_price_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
89
			"id='ginput_quantity_" . $form['id'] . "_"                          => "id='ginput_quantity_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
90
			"gfield_price_" . $form['id'] . "_"                                 => "gfield_price_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
91
			"gfield_quantity_" . $form['id'] . "_"                              => "gfield_quantity_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
92
			"gfield_product_" . $form['id'] . "_"                               => "gfield_product_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
93
			"ginput_total_" . $form['id']                                       => "ginput_total_" . $random_id,
94
			"GFCalc(" . $form['id'] . ","                                       => "GFCalc(" . $random_id . ",",
95
			'gf_global["number_formats"][' . $form['id'] . ']'                  => 'gf_global["number_formats"][' . $random_id . ']',
96
			"gform_next_button_" . $form['id'] . "_"                            => "gform_next_button_" . $random_id . "_",
0 ignored issues
show
Coding Style Comprehensibility introduced by
The string literal _ does not require double quotes, as per coding-style, please use single quotes.

PHP provides two ways to mark string literals. Either with single quotes 'literal' or with double quotes "literal". The difference between these is that string literals in double quotes may contain variables with are evaluated at run-time as well as escape sequences.

String literals in single quotes on the other hand are evaluated very literally and the only two characters that needs escaping in the literal are the single quote itself (\') and the backslash (\\). Every other character is displayed as is.

Double quoted string literals may contain other variables or more complex escape sequences.

<?php

$singleQuoted = 'Value';
$doubleQuoted = "\tSingle is $singleQuoted";

print $doubleQuoted;

will print an indented: Single is Value

If your string literal does not contain variables or escape sequences, it should be defined using single quotes to make that fact clear.

For more information on PHP string literals and available escape sequences see the PHP core documentation.

Loading history...
97
			$hidden_field                                                       => "<input type='hidden' name='gform_random_id' value='" . $random_id . "' />" . $hidden_field,
98
		);
99
100
		// allow addons & plugins to add additional find & replace strings
101
		$strings = apply_filters('gform_multiple_instances_strings', $strings);
0 ignored issues
show
Expected 1 spaces after opening bracket; 0 found
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Expected 1 spaces before closing bracket; 0 found
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102
103
		// replace all occurences with the new unique ID
104
		foreach ($strings as $find => $replace) {
0 ignored issues
show
No space after opening parenthesis is prohibited
Loading history...
No space before closing parenthesis is prohibited
Loading history...
105
			$form_string = str_replace($find, $replace, $form_string);
0 ignored issues
show
Expected 1 spaces after opening bracket; 0 found
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Expected 1 spaces before closing bracket; 0 found
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106
		}
107
108
		return $form_string;
109
	}
110
111
}
112
113
// initialize the plugin
114
global $gravity_forms_multiple_form_instances;
115
$gravity_forms_multiple_form_instances = new Gravity_Forms_Multiple_Form_Instances();