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run code in 300+ PHP versions simultaneously
<?php $compat_level = 'foo'; $headers['X-EBAY-API-COMPATIBILITY-LEVEL'] = $compat_level; var_dump($headers); $headers = array ( 'X-EBAY-API-COMPATIBILITY-LEVEL: ' . $compat_level ); var_dump($headers); // But I think you may have meant: $headers = array( 'X-EBAY-API-COMPATIBILITY-LEVEL' => $compat_level ); var_dump($headers);
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(1) { ["X-EBAY-API-COMPATIBILITY-LEVEL"]=> string(3) "foo" } array(1) { [0]=> string(35) "X-EBAY-API-COMPATIBILITY-LEVEL: foo" } array(1) { ["X-EBAY-API-COMPATIBILITY-LEVEL"]=> string(3) "foo" }
preferences:
107.79 ms | 1846 KiB | 4 Q