Online PHP editor | refs for Pk2rC

<?php $json = '{ "1": [ { "row": "My name is Trevor\n" }, { "row": "Can you see me?\n" }, { "row": "\f" } ], "2": [ { "row": "Hey there! Some other text.\n" }, { "row": "What is up Trevor?\n" }, { "row": "\f" } ], "3": [ { "row": "Some text on the third column. First row." }, { "row": "\f" } ] }'; $content = json_decode($json, true); class regexTextReplace { private $pattern; private $replacement; public function __construct(array $arguments) { $this->pattern = $arguments['pattern']; $this->replacement = $arguments['replacement']; } public function apply(array $table, $column = false): array { $table = $column ? $table[$column] : $table; return array_map('self::regex_replace', $table); } public function regex_replace(array $table) { return preg_replace($this->pattern, $this->replacement, $table); } } $options = [ 'pattern' => '/Trevor/i', 'replacement' => 'Oliver', ]; $engine = new regexTextReplace($options); foreach($content as $key => $v){ $columns[$key] = $engine->apply($content, $key); } var_dump($columns);