Online PHP editor | output for oeFUJ

@ 2023-10-10T12:37:06Z

<?php

function unregister_setting( $option_group, $option_name, $deprecated = '' ) {
    global $new_allowed_options;
    
    // Before.
    $pos = array_search( $option_name, (array) $new_allowed_options[ $option_group ], true );

    // After.


    return $pos;    
}

// Scenario 1: Raises "Warning: Trying to access array offset on value of type null"
echo "Scenario 1: \n";
$new_allowed_options = null;
var_dump( unregister_setting( 'unknown_setting_group', 'unknown_setting_name' ) );

// Scenario 2: Raises "Warning: Undefined array key "unknown_setting_group" "
echo "\nScenario 2: \n";
$new_allowed_options = array();
var_dump( unregister_setting( 'unknown_setting_group', 'unknown_setting_name' ) );

// Scenario 3: Does not riase a Notice|Warning.
echo "\nScenario 3: \n";
$new_allowed_options = array( 'unknown_setting_group' => array() );
var_dump( unregister_setting( 'unknown_setting_group', 'unknown_setting_name' ) );

// Scenario 4: Does not riase a Notice|Warning.
echo "\nScenario 4: \n";
$new_allowed_options = array( 'unknown_setting_group' => null );
var_dump( unregister_setting( 'unknown_setting_group', 'unknown_setting_name' ) );

Output for 8.3.0 - 8.3.15, 8.4.1 - 8.4.2: Scenario 1: Warning: Trying to access array offset on null in /in/oeFUJ on line 7 bool(false) Scenario 2: Warning: Undefined array key "unknown_setting_group" in /in/oeFUJ on line 7 bool(false) Scenario 3: bool(false) Scenario 4: bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27: Scenario 1: Warning: Trying to access array offset on value of type null in /in/oeFUJ on line 7 bool(false) Scenario 2: Warning: Undefined array key "unknown_setting_group" in /in/oeFUJ on line 7 bool(false) Scenario 3: bool(false) Scenario 4: bool(false)
Output for 7.4.0 - 7.4.33: Scenario 1: Notice: Trying to access array offset on value of type null in /in/oeFUJ on line 7 bool(false) Scenario 2: Notice: Undefined index: unknown_setting_group in /in/oeFUJ on line 7 bool(false) Scenario 3: bool(false) Scenario 4: bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33: Scenario 1: bool(false) Scenario 2: Notice: Undefined index: unknown_setting_group in /in/oeFUJ on line 7 bool(false) Scenario 3: bool(false) Scenario 4: bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Scenario 1: bool(false) Scenario 2: Notice: Undefined index: unknown_setting_group in /in/oeFUJ on line 7 bool(false) Scenario 3: bool(false) Scenario 4: bool(false)

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