3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar = [[1, 2, 3, 4], [1, 2, 3, 4]]; foreach ($ar as &$v) { foreach ($v as $v1) { $v1 = 0; } } unset($v); var_dump($ar);

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)
8.3.70.0100.01018.10
8.3.60.0140.00716.50
8.3.50.0090.00816.53
8.3.40.0150.00018.45
8.3.30.0120.00318.60
8.3.20.0070.00020.20
8.3.10.0080.00021.60
8.3.00.0080.00019.38
8.2.180.0070.01118.16
8.2.170.0110.00422.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00521.05
8.2.120.0080.00026.35
8.2.110.0060.00321.05
8.2.100.0120.00018.09
8.2.90.0030.00519.17
8.2.80.0000.00818.03
8.2.70.0080.00017.49
8.2.60.0070.00018.04
8.2.50.0000.00818.10
8.2.40.0000.00720.17
8.2.30.0030.00621.02
8.2.20.0000.00718.08
8.2.10.0030.00417.98
8.2.00.0040.00418.11
8.1.280.0040.01125.92
8.1.270.0000.00722.14
8.1.260.0040.00426.35
8.1.250.0100.00728.09
8.1.240.0030.00723.92
8.1.230.0070.00719.09
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0060.00317.47
8.1.190.0000.00817.23
8.1.180.0030.00618.10
8.1.170.0030.00520.43
8.1.160.0070.00018.88
8.1.150.0050.00220.70
8.1.140.0000.00719.44
8.1.130.0000.00718.91
8.1.120.0040.00417.36
8.1.110.0080.00017.44
8.1.100.0050.00217.45
8.1.90.0000.00717.37
8.1.80.0080.00017.39
8.1.70.0040.00417.40
8.1.60.0080.00017.56
8.1.50.0040.00417.46
8.1.40.0000.00717.50
8.1.30.0090.00017.58
8.1.20.0040.00417.65
8.1.10.0040.00417.43
8.1.00.0000.00817.40
8.0.300.0020.00518.77
8.0.290.0070.00016.63
8.0.280.0000.00818.46
8.0.270.0000.00817.17
8.0.260.0000.00716.82
8.0.250.0000.00716.95
8.0.240.0000.00716.97
8.0.230.0080.00017.03
8.0.220.0000.00716.75
8.0.210.0000.00816.86
8.0.200.0060.00016.85
8.0.190.0050.00516.85
8.0.180.0000.00716.96
8.0.170.0000.00716.88
8.0.160.0050.00316.92
8.0.150.0090.00016.73
8.0.140.0060.00316.87
8.0.130.0030.00313.26
8.0.120.0000.00716.76
8.0.110.0050.00216.91
8.0.100.0030.00516.89
8.0.90.0020.00516.80
8.0.80.0070.01016.86
8.0.70.0040.00416.99
8.0.60.0030.00616.86
8.0.50.0000.00716.70
8.0.30.0140.00217.07
8.0.20.0080.01217.40
8.0.10.0060.00316.95
8.0.00.0110.00616.80
7.4.330.0000.00615.55
7.4.320.0060.00016.59
7.4.300.0030.00316.39
7.4.290.0080.00016.38
7.4.280.0000.00716.49
7.4.270.0000.00716.48
7.4.260.0030.00316.46
7.4.250.0050.00316.53
7.4.240.0030.00316.56
7.4.230.0000.00716.64
7.4.220.0110.01116.45
7.4.210.0030.01216.48
7.4.200.0000.00716.70
7.4.160.0110.00716.45
7.4.150.0090.01717.40
7.4.140.0140.00717.86
7.4.130.0030.01516.57
7.4.120.0120.01116.52
7.4.110.0140.00416.50
7.4.100.0070.01416.36
7.4.90.0120.00616.39
7.4.80.0090.00919.39
7.4.70.0080.00816.67
7.4.60.0080.00816.54
7.4.50.0040.01116.49
7.4.40.0140.00316.38
7.4.30.0090.00616.49
7.4.00.0070.00714.73
7.3.330.0060.00012.98
7.3.320.0020.00213.05
7.3.310.0000.00716.26
7.3.300.0000.00716.16
7.3.290.0060.00716.29
7.3.280.0100.00616.26
7.3.270.0120.00617.40
7.3.260.0100.00716.39
7.3.250.0110.00616.34
7.3.240.0140.00516.45
7.3.230.0170.00516.24
7.3.210.0060.01216.21
7.3.200.0040.01216.27
7.3.190.0070.01116.24
7.3.180.0080.01416.63
7.3.170.0130.00316.25
7.3.160.0060.01016.28
7.2.330.0110.00816.40
7.2.320.0070.01016.61
7.2.310.0150.01316.58
7.2.300.0100.01316.44
7.2.290.0070.01016.48
7.2.60.0070.00716.63
7.2.00.0000.01019.21
7.1.200.0080.00815.68
7.1.100.0000.01218.09
7.1.70.0130.00017.26
7.1.60.0160.00934.92
7.1.50.0280.01134.71
7.1.40.0490.01134.14
7.1.30.0480.00334.34
7.1.20.0130.01334.55
7.1.10.0030.00916.46
7.1.00.0030.00916.70
7.0.200.0210.00314.88
7.0.190.0060.00616.63
7.0.180.0030.01016.31
7.0.170.0030.00816.12
7.0.160.0080.00416.14
7.0.150.0120.00616.29
7.0.140.0040.00916.35
7.0.130.0080.00416.46
7.0.120.0070.00516.44
7.0.110.0030.00916.29
7.0.100.0030.00916.49
7.0.90.0080.00416.35
7.0.80.0000.01116.43
7.0.70.0060.00616.37
7.0.60.0000.01116.29
7.0.50.0090.00316.35
7.0.40.0000.01116.43
7.0.30.0040.00716.54
7.0.20.0040.00816.50
7.0.10.0050.00516.47
7.0.00.0060.00616.23

preferences:
49.8 ms | 401 KiB | 5 Q