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<?php $extraString = 'a:16:{s:5:\"items\";s:65:\"1|Oinment\n2|Powder\n3|Lotion\nTablets|Tablets\nCapsule|Capsule\n\";s:8:\"multiple\";b:0;s:6:\"aslist\";b:1;s:12:\"empty_option\";s:0:\"\";s:7:\"optrand\";i:0;s:12:\"other_option\";N;s:10:\"other_text\";s:8:\"Other...\";s:13:\"title_display\";s:6:\"before\";s:11:\"description\";s:0:\"\";s:11:\"custom_keys\";i:1;s:14:\"options_source\";s:0:\"\";s:7:\"private\";i:0;s:8:\"analysis\";b:1;s:5:\"value\";s:1:\"1\";s:11:\"css_classes\";s:0:\"\";s:15:\"wrapper_classes\";s:0:\"\";}'; $keysValuesArray = preg_split("/[;]/", $extraString, -1, PREG_SPLIT_NO_EMPTY); print_r($keysValuesArray); $itemsKey = preg_grep("/\"items\"/" ,$keysValuesArray); print_r($keysValuesArray[0]); print_r($itemsKey); ?>
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => a:16:{s:5:\"items\" [1] => s:65:\"1|Oinment\n2|Powder\n3|Lotion\nTablets|Tablets\nCapsule|Capsule\n\" [2] => s:8:\"multiple\" [3] => b:0 [4] => s:6:\"aslist\" [5] => b:1 [6] => s:12:\"empty_option\" [7] => s:0:\"\" [8] => s:7:\"optrand\" [9] => i:0 [10] => s:12:\"other_option\" [11] => N [12] => s:10:\"other_text\" [13] => s:8:\"Other...\" [14] => s:13:\"title_display\" [15] => s:6:\"before\" [16] => s:11:\"description\" [17] => s:0:\"\" [18] => s:11:\"custom_keys\" [19] => i:1 [20] => s:14:\"options_source\" [21] => s:0:\"\" [22] => s:7:\"private\" [23] => i:0 [24] => s:8:\"analysis\" [25] => b:1 [26] => s:5:\"value\" [27] => s:1:\"1\" [28] => s:11:\"css_classes\" [29] => s:0:\"\" [30] => s:15:\"wrapper_classes\" [31] => s:0:\"\" [32] => } ) a:16:{s:5:\"items\"Array ( )

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