3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr('-id', 1, 0));

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)
8.3.60.0070.01518.18
8.3.50.0070.00716.42
8.3.40.0040.01118.54
8.3.30.0110.00318.43
8.3.20.0000.00719.04
8.3.10.0000.00721.69
8.3.00.0000.00821.00
8.2.180.0040.01818.04
8.2.170.0140.00022.96
8.2.160.0110.00722.20
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0000.00720.35
8.2.120.0070.00026.35
8.2.110.0050.00520.54
8.2.100.0110.00017.72
8.2.90.0000.00718.96
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0000.00817.66
8.2.50.0050.00318.10
8.2.40.0080.00020.42
8.2.30.0040.00420.91
8.2.20.0040.00418.00
8.2.10.0020.00517.86
8.2.00.0000.00717.86
8.1.280.0130.00725.92
8.1.270.0040.00422.00
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.62
8.1.230.0050.00519.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.13
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.41
8.1.160.0040.00418.91
8.1.150.0030.00520.42
8.1.140.0050.00219.45
8.1.130.0070.00018.84
8.1.120.0040.00417.39
8.1.110.0000.00817.22
8.1.100.0040.00417.24
8.1.90.0000.00817.34
8.1.80.0000.00717.31
8.1.70.0000.00717.22
8.1.60.0000.00817.46
8.1.50.0040.00417.45
8.1.40.0060.00317.46
8.1.30.0000.00717.57
8.1.20.0050.00317.52
8.1.10.0080.00017.37
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0030.00316.98
8.0.260.0070.00016.65
8.0.250.0030.00316.80
8.0.240.0050.00316.87
8.0.230.0000.00716.70
8.0.220.0030.00316.77
8.0.210.0070.00016.67
8.0.200.0030.00316.88
8.0.190.0040.00416.82
8.0.180.0050.00316.71
8.0.170.0000.00716.67
8.0.160.0040.00416.75
8.0.150.0040.00416.75
8.0.140.0030.00416.71
8.0.130.0000.00613.16
8.0.120.0000.00716.79
8.0.110.0030.00316.72
8.0.100.0040.00416.71
8.0.90.0040.00416.72
8.0.80.0030.01716.73
8.0.70.0000.00816.81
8.0.60.0000.00716.65
8.0.50.0040.00416.83
8.0.30.0090.01117.04
8.0.20.0100.00917.40
8.0.10.0000.00716.75
8.0.00.0000.01816.70
7.4.330.0000.00515.55
7.4.320.0060.00016.51
7.4.300.0030.00316.29
7.4.290.0090.00016.51
7.4.280.0040.00416.44
7.4.270.0030.00316.50
7.4.260.0000.00513.10
7.4.250.0030.00316.35
7.4.240.0030.00316.45
7.4.230.0030.00316.52
7.4.220.0100.00716.54
7.4.210.0120.00516.54
7.4.200.0000.00716.45
7.4.160.0150.00216.38
7.4.150.0130.00617.40
7.4.140.0090.01117.86
7.4.130.0140.00416.48
7.4.120.0100.00716.41
7.4.110.0070.01016.52
7.4.100.0090.00616.32
7.4.90.0110.00816.11
7.4.80.0100.01019.39
7.4.70.0000.01516.33
7.4.60.0090.01216.31
7.4.50.0130.00316.36
7.4.40.0080.00816.37
7.4.30.0000.01916.27
7.4.00.0030.01014.91
7.3.330.0060.00012.93
7.3.320.0050.00012.94
7.3.310.0070.00016.14
7.3.300.0060.00016.04
7.3.290.0000.00716.17
7.3.280.0060.01016.11
7.3.270.0070.01017.40
7.3.260.0070.00916.24
7.3.250.0110.00616.17
7.3.240.0060.01116.15
7.3.230.0060.01316.19
7.3.210.0110.00716.43
7.3.200.0080.01316.16
7.3.190.0090.00916.09
7.3.180.0170.00616.32
7.3.170.0060.00916.53
7.3.160.0060.00916.47
7.2.330.0030.01416.43
7.2.320.0070.01016.43
7.2.310.0000.01616.50
7.2.300.0110.00616.32
7.2.290.0050.01416.36
7.2.60.0050.00216.71
7.1.200.0030.00915.32
7.1.100.0130.00618.12
7.1.70.0000.00817.09
7.1.60.0330.01032.90
7.1.50.0130.01032.79
7.1.40.1600.01332.45
7.1.30.1230.01332.58
7.1.20.1670.01032.57
7.1.10.0000.01014.69
7.1.00.0030.01014.63
7.0.200.0000.01014.73
7.0.190.0030.00714.85
7.0.180.0070.00314.24
7.0.170.0230.00714.16
7.0.160.0070.00314.15
7.0.150.0030.00714.32
7.0.140.1800.01014.47
7.0.130.1270.01314.55
7.0.120.1330.01014.43
7.0.110.0030.01014.08
7.0.100.0130.00314.24
7.0.90.0200.01314.53
7.0.80.0000.01314.43
7.0.70.0030.00714.23
7.0.60.0000.01013.92
7.0.50.1230.00714.30
7.0.40.0030.00714.61
7.0.30.0030.00714.58
7.0.20.1630.01014.50
7.0.10.1800.01714.60
7.0.00.0030.01314.54

preferences:
62.25 ms | 401 KiB | 5 Q