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<?php $block = 'core/quote'; $input = array( 'styles' => array( 'blocks' => array( 'core/quote' => array( 'variations' => '', ), ), ) ); $style_variation_names = isset( $input['styles']['blocks'][ $block ]['variations'] ) ? array_keys( $input['styles']['blocks'][ $block ]['variations'] ) : array(); var_dump( $style_variation_names );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, string given in /in/kHpHT:15 Stack trace: #0 /in/kHpHT(15): array_keys('') #1 {main} thrown in /in/kHpHT on line 15
Process exited with code 255.
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, 7.4.0 - 7.4.33
Warning: array_keys() expects parameter 1 to be array, string given in /in/kHpHT on line 15 NULL
Output for 4.3.2 - 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
Warning: array_keys(): The first argument should be an array in /in/kHpHT on line 15 NULL
Output for 4.3.0 - 4.3.1
Warning: array_keys() [http://www.php.net/function.array-keys]: The first argument should be an array in /in/kHpHT on line 15 NULL
preferences:
88.41 ms | 2725 KiB | 4 Q