3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'C' ); for ( $i = 0; $i < 1000; $i++ ) { $a = array( 'A', $a, 'B' ); } echo "AAA\n"; var_dump( json_encode( $a, JSON_PARTIAL_OUTPUT_ON_ERROR ) ); echo "BBB\n"; var_dump( json_last_error() ); json_encode( 'foo' ); echo "CCC\n"; var_dump( json_encode( $a, 0, 10 ) ); echo "DDD\n"; var_dump( json_last_error() );

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40.66 ms | 402 KiB | 5 Q