3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = &$b; $b = 1; echo $a; echo "\n---\n"; $d = [0]; $c = &$d[0]; $d = [1]; var_dump($c);

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)
8.3.70.0110.00718.31
8.3.60.0180.00418.20
8.3.50.0110.00816.41
8.3.40.0120.00318.59
8.3.30.0060.01118.59
8.3.20.0000.00720.73
8.3.10.0030.00519.25
8.3.00.0070.00021.87
8.2.190.0140.00316.63
8.2.180.0070.01125.92
8.2.170.0110.00419.14
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0080.00026.16
8.2.110.0070.00319.38
8.2.100.0120.00017.78
8.2.90.0040.00417.84
8.2.80.0050.00517.97
8.2.70.0000.00817.93
8.2.60.0000.00718.28
8.2.50.0070.00019.34
8.2.40.0040.00419.43
8.2.30.0040.00419.24
8.2.20.0040.00418.17
8.2.10.0000.00718.79
8.2.00.0070.00019.36
8.1.280.0070.01125.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00922.44
8.1.230.0090.00320.96
8.1.220.0030.00617.78
8.1.210.0030.00618.77
8.1.200.0000.00917.36
8.1.190.0020.00518.87
8.1.180.0090.00018.10
8.1.170.0000.00818.47
8.1.160.0020.00518.72
8.1.150.0050.00218.81
8.1.140.0000.00720.16
8.1.130.0030.00320.04
8.1.120.0000.00817.38
8.1.110.0030.00517.38
8.1.100.0070.00017.26
8.1.90.0040.00417.41
8.1.80.0000.00717.36
8.1.70.0000.00717.30
8.1.60.0000.00917.40
8.1.50.0000.00717.28
8.1.40.0000.00917.38
8.1.30.0000.01217.57
8.1.20.0040.00417.62
8.1.10.0000.00817.57
8.1.00.0050.00317.47
8.0.300.0080.00019.95
8.0.290.0040.00416.75
8.0.280.0040.00418.30
8.0.270.0000.00717.28
8.0.260.0000.00618.43
8.0.250.0030.00316.95
8.0.240.0070.00016.89
8.0.230.0030.00316.76
8.0.220.0000.00716.89
8.0.210.0000.00716.81
8.0.200.0040.00416.73
8.0.190.0050.00316.87
8.0.180.0040.00416.63
8.0.170.0000.00916.84
8.0.160.0000.00716.90
8.0.150.0000.00716.75
8.0.140.0000.00816.73
8.0.130.0050.00213.20
8.0.120.0050.00216.80
8.0.110.0050.00316.85
8.0.100.0040.00416.80
8.0.90.0000.00816.83
8.0.80.0100.00416.85
8.0.70.0000.00716.92
8.0.60.0000.00716.82
8.0.50.0040.00416.71
8.0.30.0070.01017.09
8.0.20.0100.01017.05
8.0.10.0050.00216.73
8.0.00.0090.00816.78
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0000.00716.42
7.4.290.0040.00316.38
7.4.280.0040.00416.55
7.4.270.0040.00416.53
7.4.260.0040.00416.48
7.4.250.0070.00016.44
7.4.240.0000.00816.35
7.4.230.0000.00716.25
7.4.220.0000.00916.40
7.4.210.0090.00516.52
7.4.200.0000.00716.52
7.4.160.0100.00916.54
7.4.130.0110.00816.41
7.4.120.0140.00416.38
7.4.110.0070.01016.49
7.4.100.0160.00316.38
7.4.90.0030.01316.24
7.4.80.0100.01419.39
7.4.70.0100.00616.49
7.4.60.0100.00816.51
7.4.50.0080.00416.12
7.4.40.0070.01016.39
7.4.00.0060.01014.83
7.3.330.0000.00513.04
7.3.320.0030.00313.05
7.3.310.0070.00016.32
7.3.300.0030.00316.09
7.3.290.0030.00316.26
7.3.280.0040.01116.29
7.3.260.0100.00916.42
7.3.240.0110.00816.37
7.3.230.0060.00916.22
7.3.210.0110.00616.51
7.3.200.0090.00916.34
7.3.190.0090.00616.43
7.3.180.0080.00816.42
7.3.170.0080.00816.47
7.3.160.0060.01216.44
7.3.120.0130.00715.04
7.3.110.0100.01014.73
7.3.100.0070.00714.39
7.3.90.0130.00314.71
7.3.80.0030.01015.00
7.3.70.0030.01014.80
7.3.60.0040.00714.77
7.3.50.0060.00914.67
7.3.40.0080.00714.70
7.3.30.0070.00614.86
7.3.20.0070.00616.51
7.3.10.0080.00416.54
7.3.00.0100.00716.56
7.2.330.0040.01516.63
7.2.320.0130.00716.48
7.2.310.0130.00316.39
7.2.300.0150.00616.43
7.2.290.0060.00916.67
7.2.250.0040.01915.16
7.2.240.0090.00915.13
7.2.230.0070.01015.04
7.2.220.0060.00914.97
7.2.210.0000.01415.06
7.2.200.0070.00715.05
7.2.190.0030.01315.07
7.2.180.0090.00614.96
7.2.170.0050.01114.86
7.2.160.0070.00614.96
7.2.150.0110.00816.63
7.2.140.0040.00916.81
7.2.130.0100.01216.81
7.2.120.0030.01316.70
7.2.110.0060.00616.88
7.2.100.0110.00816.89
7.2.90.0090.00316.86
7.2.80.0030.00916.76
7.2.70.0080.00516.84
7.2.60.0040.00816.83
7.2.50.0080.00916.72
7.2.40.0120.00616.86
7.2.30.0100.01116.89
7.2.20.0100.01016.86
7.2.10.0100.00916.76
7.2.00.0100.00716.79
7.1.330.0080.00415.76
7.1.320.0090.00015.63
7.1.310.0000.01315.67
7.1.300.0040.01415.73
7.1.290.0070.01015.88
7.1.280.0030.01115.70
7.1.270.0070.00615.80
7.1.260.0030.01015.61
7.1.250.0100.00215.66

preferences:
21.19 ms | 401 KiB | 5 Q