3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('00534545345', 0, 1);

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)
8.3.60.0040.01118.18
8.3.50.0120.01021.99
8.3.40.0120.00318.59
8.3.30.0110.00418.98
8.3.20.0070.00020.24
8.3.10.0000.00823.48
8.3.00.0030.00519.13
8.2.180.0070.00725.92
8.2.170.0170.00322.96
8.2.160.0100.00322.17
8.2.150.0000.00924.18
8.2.140.0030.00524.66
8.2.130.0040.01126.16
8.2.120.0070.00021.00
8.2.110.0050.00522.00
8.2.100.0110.00017.84
8.2.90.0030.00517.63
8.2.80.0040.00418.67
8.2.70.0080.00417.78
8.2.60.0030.00618.09
8.2.50.0080.00018.10
8.2.40.0040.00420.86
8.2.30.0040.00419.10
8.2.20.0050.00217.53
8.2.10.0040.00417.80
8.2.00.0040.00417.47
8.1.280.0120.00925.92
8.1.270.0030.00518.83
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0040.00717.60
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0120.00017.23
8.1.190.0030.00516.97
8.1.180.0060.00318.10
8.1.170.0080.00018.24
8.1.160.0030.00518.63
8.1.150.0040.00418.77
8.1.140.0040.00417.22
8.1.130.0070.00017.63
8.1.120.0000.00717.39
8.1.110.0030.00517.24
8.1.100.0000.00717.31
8.1.90.0070.00017.32
8.1.80.0040.00417.38
8.1.70.0000.00717.27
8.1.60.0040.00417.46
8.1.50.0000.00817.30
8.1.40.0000.00817.33
8.1.30.0090.00017.54
8.1.20.0050.00217.54
8.1.10.0070.00017.36
8.1.00.0030.00617.36
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0030.00318.37
8.0.270.0030.00317.06
8.0.260.0060.00017.11
8.0.250.0000.00716.72
8.0.240.0040.00416.89
8.0.230.0040.00416.84
8.0.220.0030.00316.74
8.0.210.0000.00716.73
8.0.200.0020.00516.86
8.0.190.0080.00016.68
8.0.180.0000.00816.75
8.0.170.0000.00716.82
8.0.160.0000.00716.70
8.0.150.0030.00316.74
8.0.140.0040.00416.71
8.0.130.0000.00713.17
8.0.120.0000.00816.55
8.0.110.0040.00416.66
8.0.100.0000.00716.70
8.0.90.0070.00016.54
8.0.80.0040.01116.66
8.0.70.0050.00316.63
8.0.60.0030.00316.62
8.0.50.0030.00316.73
8.0.30.0120.00716.77
8.0.20.0050.01217.40
8.0.10.0000.00716.76
8.0.00.0170.00316.59
7.4.330.0030.00315.03
7.4.320.0030.00316.45
7.4.300.0030.00516.37
7.4.290.0030.00316.36
7.4.280.0040.00416.33
7.4.270.0000.00716.29
7.4.260.0000.00716.34
7.4.250.0000.00716.41
7.4.240.0050.00216.41
7.4.230.0000.00716.50
7.4.220.0160.00416.32
7.4.210.0110.00516.29
7.4.200.0040.00416.27
7.4.160.0130.00316.50
7.4.150.0150.00317.40
7.4.140.0120.00817.86
7.4.130.0110.00616.33
7.4.120.0110.00516.31
7.4.110.0090.00916.44
7.4.100.0140.00316.38
7.4.90.0130.00616.61
7.4.80.0110.00419.39
7.4.70.0070.01016.27
7.4.60.0070.01016.40
7.4.50.0030.00516.22
7.4.40.0170.00716.27
7.4.30.0120.00816.31
7.4.00.0030.01514.89
7.3.330.0050.00013.04
7.3.320.0020.00212.92
7.3.310.0060.00016.20
7.3.300.0060.00015.96
7.3.290.0080.00716.17
7.3.280.0090.00716.13
7.3.270.0120.00917.40
7.3.260.0070.01016.12
7.3.250.0120.01116.23
7.3.240.0130.00316.55
7.3.230.0060.01216.39
7.3.210.0170.00016.25
7.3.200.0090.00619.39
7.3.190.0090.00616.38
7.3.180.0060.00916.14
7.3.170.0100.00716.36
7.3.160.0090.00616.30
7.3.120.0070.01114.38
7.3.110.0130.00314.36
7.3.100.0090.00614.69
7.3.90.0070.00714.45
7.3.80.0090.00614.72
7.3.70.0100.00714.68
7.3.60.0060.00914.70
7.3.50.0110.00014.63
7.3.40.0060.00914.35
7.3.30.0100.00314.61
7.3.20.0060.00916.64
7.3.10.0060.00316.29
7.3.00.0060.00616.71
7.2.330.0170.00016.27
7.2.320.0100.01116.34
7.2.310.0130.01016.34
7.2.300.0080.00816.56
7.2.290.0070.01016.26
7.2.250.0080.01214.75
7.2.240.0070.01414.71
7.2.230.0000.01514.63
7.2.220.0100.00714.79
7.2.210.0060.01315.11
7.2.200.0120.00614.78
7.2.190.0100.00714.75
7.2.180.0120.00614.83
7.2.170.0070.01114.66
7.2.60.0040.01216.55
7.2.00.0060.00619.17
7.1.330.0060.00915.65
7.1.320.0040.01115.62
7.1.310.0030.01415.42
7.1.300.0070.01015.77
7.1.290.0150.00315.63
7.1.280.0100.00715.48
7.1.270.0030.00915.66
7.1.260.0030.00615.72
7.1.100.0000.00817.94
7.1.70.0100.00317.07
7.1.60.0170.00719.46
7.1.50.0120.00916.80
7.1.00.0070.07022.43
7.0.200.0200.00716.46
7.0.140.0030.03321.99
7.0.60.0030.07719.90
7.0.50.0000.05717.90
7.0.40.0170.08320.21
7.0.30.0370.07020.33
7.0.20.0370.04320.09
7.0.10.0100.07020.02
7.0.00.0130.07020.16
5.6.210.0100.07020.71
5.6.200.0030.04018.21
5.6.190.0070.07320.56
5.6.180.0230.08720.45
5.6.170.0230.04320.71
5.6.160.0100.06720.54
5.6.150.0030.04718.09
5.6.140.0170.05018.12
5.6.130.0100.04018.25
5.6.120.0030.04320.99
5.6.110.0170.07320.96
5.6.100.0130.06021.10
5.6.90.0030.09020.91
5.6.80.0100.03320.52
5.5.350.3100.04720.32
5.5.340.0000.06318.02
5.5.330.0030.06020.56
5.5.320.0200.05720.28
5.5.310.0270.05020.27
5.5.300.0030.04018.02
5.5.290.0000.08317.98
5.5.280.0030.05320.86
5.5.270.0000.04320.96
5.5.260.0000.10020.94
5.5.250.0130.07720.48
5.5.240.0030.07320.18
5.4.450.1170.06319.61
5.4.440.0700.06019.43
5.4.430.1130.05319.37
5.4.420.0930.05019.20
5.4.410.0500.05719.42
5.4.400.0630.06018.93
5.4.390.0330.05018.79
5.4.380.0300.05318.59
5.4.370.0200.06018.68
5.4.360.0370.05718.59
5.4.350.0330.05018.50
5.4.340.0400.05718.50
5.4.320.0370.05018.52
5.4.310.0370.05018.62
5.4.300.0230.06018.63
5.4.290.0330.07018.61
5.4.280.0330.06318.67
5.4.270.0330.05718.64
5.4.260.0400.05018.73
5.4.250.0430.04718.61
5.4.240.0330.05318.45
5.4.230.0270.05318.57
5.4.220.0230.06718.55
5.4.210.0330.05318.74
5.4.200.0530.04716.40
5.4.190.0200.06318.81
5.4.180.0230.05718.57
5.4.170.0300.06318.70
5.4.160.0330.05018.59
5.4.150.0300.05018.71
5.4.140.0300.05316.20
5.4.130.0400.04016.16
5.4.120.0300.05016.20
5.4.110.0370.04016.20
5.4.100.0370.04316.34
5.4.90.0370.04716.05
5.4.80.0370.05716.10
5.4.70.0330.05016.12
5.4.60.0330.05316.15
5.4.50.0330.04316.01
5.4.40.0270.05316.16
5.4.30.0400.04016.03
5.4.20.0470.05316.02
5.4.10.0270.05316.12
5.4.00.0300.06715.71
5.3.290.0330.05714.55
5.3.280.0370.05014.66
5.3.270.0270.06714.63
5.3.260.0230.06314.57
5.3.250.0230.06014.51
5.3.240.0330.05014.51
5.3.230.0300.05014.57
5.3.220.0300.05314.56
5.3.210.0330.05314.51
5.3.200.0330.07714.65
5.3.190.0470.05014.61
5.3.180.0300.06714.54
5.3.170.0400.04714.59
5.3.160.0470.05014.47
5.3.150.0330.05314.66
5.3.140.0330.07314.50
5.3.130.0270.05714.49
5.3.120.0230.06314.52
5.3.110.0330.04714.47
5.3.100.0270.05713.92
5.3.90.0370.05314.01
5.3.80.0370.05313.96
5.3.70.0430.05013.94
5.3.60.0300.05714.03
5.3.50.0400.04313.88
5.3.40.0400.05013.89
5.3.30.0370.07013.85
5.3.20.0330.06713.68
5.3.10.0200.06013.63
5.3.00.0300.05013.73
5.2.170.0200.04711.13
5.2.160.0270.04011.14
5.2.150.0230.04311.09
5.2.140.0300.04011.06
5.2.130.0370.03011.25
5.2.120.0270.04011.06
5.2.110.0270.03711.08
5.2.100.0300.06011.09
5.2.90.0270.04011.09
5.2.80.0230.04311.12
5.2.70.0170.05011.00
5.2.60.0230.03711.00
5.2.50.0330.05010.96
5.2.40.0170.04711.05
5.2.30.0300.03310.88
5.2.20.0230.04710.91
5.2.10.0170.04010.85
5.2.00.0130.04710.77
5.1.60.0200.03310.00
5.1.50.0130.04710.02
5.1.40.0230.0309.93
5.1.30.0200.03710.38
5.1.20.0200.03710.47
5.1.10.0230.03010.16
5.1.00.0170.04010.09
5.0.50.0100.0308.52
5.0.40.0100.0308.54
5.0.30.0200.0408.27
5.0.20.0070.0338.22
5.0.10.0130.0278.29
5.0.00.0100.0438.34
4.4.90.0070.0236.72
4.4.80.0070.0236.72
4.4.70.0070.0276.72
4.4.60.0100.0206.72
4.4.50.0130.0236.72
4.4.40.0100.0376.72
4.4.30.0100.0206.72
4.4.20.0200.0106.72
4.4.10.0070.0276.72
4.4.00.0030.0406.72
4.3.110.0100.0236.72
4.3.100.0070.0276.72
4.3.90.0100.0206.72
4.3.80.0070.0376.72
4.3.70.0070.0236.72
4.3.60.0100.0206.72
4.3.50.0100.0236.72
4.3.40.0130.0306.72
4.3.30.0030.0336.72
4.3.20.0000.0276.72
4.3.10.0100.0206.72
4.3.00.0070.0277.23

preferences:
49.65 ms | 401 KiB | 5 Q