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<?php $array = [ 'a' => 'food', 'b' => 'foo', 'c' => 'goo', 'd' => 'foo', 'e' => 'good' ]; $needle = 'foo'; $newValue = 'bar'; function array_replace_value(&$ar, $value, $replacement) { $ar = preg_replace( '/^' . preg_quote($value, '/') . '$/', $replacement, $ar ); } array_replace_value($array, $needle, $newValue); var_export($array);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array ( 'a' => 'food', 'b' => 'bar', 'c' => 'goo', 'd' => 'bar', 'e' => 'good', )

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103.01 ms | 402 KiB | 89 Q