3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $stats['page_fans_city'] = [ 'Belo Horizonte, Minas Gerais, Brazil' => 100, 'Lima, Peru' => 100, 'Bangkok, Thailand' => 100, 'Beja, Portugal' => 100, ]; $available_cities = array( 'Lisbon, Lisboa, Portugal', 'Braga, Portugal', 'Porto, Portugal', 'Coimbra, Portugal', 'Faro, Portugal', 'Aveiro, Portugal', 'Oeiras, Portugal' ); $replace_cities = array( 'Lima, Peru', 'Istanbul, Turkey', 'Bangkok, Thailand', 'Hanoi, Ha Noi, Vietnam', 'Dhaka, Bangladesh', 'São Paulo, Brazil', 'Rio de Janeiro, Brazil', 'Belo Horizonte, Minas Gerais, Brazil', 'Recife, Pernambuco, Brazil' ); // HACK FOR CITY NAMES :) foreach ($stats['page_fans_city'] as $city => $value) { if (in_array($city, $replace_cities)) { //unset($replace_cities[$city]); $available_city = array_pop($available_cities); while (array_key_exists($available_city, $stats['page_fans_city'])) { if (count($available_cities) <= 0) { echo 'No more available cities'; break; } $available_city = array_pop($available_cities); $stats['page_fans_city'][$available_city] = $value; echo "\nNova: " . $available_city . "\n"; } unset($stats['page_fans_city'][$city]); echo "\nAntiga: " . $city . "\n"; } }
Output for 5.4.0 - 7.2.0
Antiga: Belo Horizonte, Minas Gerais, Brazil Antiga: Lima, Peru Antiga: Bangkok, Thailand
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/4dh4Y on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/4dh4Y on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4dh4Y on line 3
Process exited with code 255.