3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'a' => '', 'b' => [ 'x' => '' ], 'c' => [ 'y'=> [ '1' => '' ] ], 'd' => '' ] ]; function empty_r(array $array): bool { foreach ($array as $v) { if (is_array($v) ? !empty_r($v) : $v) { return false; } } return true; } var_export(empty_r($array));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.130.0090.01117.76
8.4.120.0090.01120.55
8.4.110.0080.01118.79
8.4.100.0120.00917.67
8.4.90.0150.00518.61
8.4.80.0060.00918.00
8.4.70.0130.00817.81
8.4.60.0080.01318.84
8.4.50.0140.00818.60
8.4.40.0130.00617.66
8.4.30.0040.00420.89
8.4.20.0100.01019.63
8.4.10.0060.00319.36
8.3.260.0150.00416.66
8.3.250.0030.00519.21
8.3.240.0090.01016.36
8.3.230.0080.01116.67
8.3.220.0080.00618.82
8.3.210.0090.00916.53
8.3.200.0090.00616.55
8.3.190.0060.00517.10
8.3.180.0120.00717.20
8.3.170.0090.00918.70
8.3.160.0040.01518.96
8.3.150.0030.01517.17
8.3.140.0070.00716.70
8.3.130.0000.01116.78
8.3.120.0040.00419.04
8.3.110.0030.00620.94
8.3.100.0040.00424.06
8.3.90.0040.00426.77
8.3.80.0040.00418.18
8.3.70.0140.00316.24
8.3.60.0100.00716.47
8.3.50.0130.00716.71
8.3.40.0100.00321.71
8.3.30.0090.00620.15
8.3.20.0100.01022.64
8.3.10.0110.00822.60
8.3.00.0070.01118.84
8.2.290.0090.01020.50
8.2.280.0120.00616.57
8.2.270.0110.00717.02
8.2.260.0090.00016.59
8.2.250.0040.00418.91
8.2.240.0070.01418.82
8.2.230.0040.00422.58
8.2.220.0050.00324.06
8.2.210.0030.01526.77
8.2.200.0100.00018.15
8.2.190.0070.00718.41
8.2.180.0070.01518.36
8.2.170.0090.00619.00
8.2.160.0030.01022.96
8.2.150.0120.00719.06
8.2.140.0130.00520.52
8.2.130.0080.01120.47
8.2.120.0090.00719.28
8.2.110.0050.01019.35
8.2.100.0070.01018.95
8.2.90.0130.00518.86
8.2.80.0070.00919.24
8.2.70.0090.01018.66
8.2.60.0140.00518.83
8.2.50.0130.00719.06
8.2.40.0120.00718.75
8.2.30.0120.00818.69
8.2.20.0110.00518.83
8.2.10.0110.00818.70
8.2.00.0130.00518.67
8.1.330.0100.00921.99
8.1.320.0070.01215.85
8.1.310.0000.00916.53
8.1.300.0050.00320.22
8.1.290.0080.00030.84
8.1.280.0070.00725.92
8.1.270.0060.01022.10
8.1.260.0120.00722.07
8.1.250.0100.00522.08
8.1.240.0100.00818.49
8.1.230.0100.00718.60
8.1.220.0090.00618.80
8.1.210.0170.00318.54
8.1.200.0080.00918.75
8.1.190.0100.00518.64
8.1.180.0080.00718.34
8.1.170.0090.00518.63
8.1.160.0140.00218.55
8.1.150.0070.01118.73
8.1.140.0060.00818.42
8.1.130.0050.01018.73
8.1.120.0100.00518.61
8.1.110.0050.00918.52
8.1.100.0140.00618.48
8.1.90.0140.00718.61
8.1.80.0110.00719.73
8.1.70.0080.00918.54
8.1.60.0040.01218.68
8.1.50.0090.00618.53
8.1.40.0110.00718.78
8.1.30.0090.00718.81
8.1.20.0070.00719.90
8.1.10.0070.00718.59
8.1.00.0130.00218.44

preferences:
58.98 ms | 403 KiB | 5 Q