3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(str_reverse(M_PI), 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)
8.3.70.0110.00416.58
8.3.60.0140.00718.30
8.3.50.0090.01222.85
8.3.40.0120.00618.75
8.3.30.0110.00318.44
8.3.20.0040.00421.81
8.3.10.0040.00421.53
8.3.00.0070.00019.85
8.2.180.0000.01516.38
8.2.170.0070.00722.96
8.2.160.0100.00722.08
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0080.00022.08
8.2.120.0000.00726.35
8.2.110.0030.00619.38
8.2.100.0040.00818.22
8.2.90.0030.00519.05
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0050.00318.10
8.2.40.0070.00020.31
8.2.30.0000.00819.18
8.2.20.0000.00717.58
8.2.10.0030.00317.99
8.2.00.0030.00718.04
8.1.280.0060.00825.92
8.1.270.0040.00423.99
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0060.00322.41
8.1.230.0060.00917.52
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.01017.10
8.1.190.0080.00017.43
8.1.180.0050.00518.10
8.1.170.0040.00418.90
8.1.160.0040.00422.15
8.1.150.0040.00418.70
8.1.140.0070.00019.40
8.1.130.0000.00717.60
8.1.120.0030.00317.25
8.1.110.0030.00317.39
8.1.100.0040.00417.38
8.1.90.0000.00717.36
8.1.80.0040.00317.31
8.1.70.0000.00817.35
8.1.60.0000.00717.34
8.1.50.0040.00817.34
8.1.40.0050.00317.44
8.1.30.0000.00817.55
8.1.20.0040.00417.49
8.1.10.0040.00417.41
8.1.00.0080.00017.34
8.0.300.0030.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.42
8.0.270.0030.00317.15
8.0.260.0070.00017.12
8.0.250.0070.00016.99
8.0.240.0040.00416.82
8.0.230.0000.00916.90
8.0.220.0070.00016.91
8.0.210.0030.00516.82
8.0.200.0030.00316.91
8.0.190.0040.00416.88
8.0.180.0000.00716.91
8.0.170.0040.00416.80
8.0.160.0040.00416.73
8.0.150.0040.00416.72
8.0.140.0040.00416.87
8.0.130.0040.00413.20
8.0.120.0050.00216.80
8.0.110.0040.00416.97
8.0.100.0000.00816.93
8.0.90.0040.00416.91
8.0.80.0040.01116.88
8.0.70.0040.00416.89
8.0.60.0040.00416.96
8.0.50.0030.00516.91
8.0.30.0100.00817.12
8.0.20.0070.01217.40
8.0.10.0070.00016.98
8.0.00.0100.00716.61
7.4.330.0000.00615.11
7.4.320.0030.00316.27
7.4.300.0000.00716.38
7.4.290.0040.00416.40
7.4.280.0080.00316.38
7.4.270.0000.00616.62
7.4.260.0030.00516.41
7.4.250.0000.00716.50
7.4.240.0030.00316.54
7.4.230.0070.00016.64
7.4.220.0070.01316.43
7.4.210.0100.01016.43
7.4.200.0050.00316.47
7.4.160.0120.00716.41
7.4.150.0060.01217.40
7.4.140.0100.01117.86
7.4.130.0080.00916.47
7.4.120.0100.01016.46
7.4.110.0070.01016.57
7.4.100.0080.01116.34
7.4.90.0090.01016.38
7.4.80.0100.00719.39
7.4.70.0090.00616.64
7.4.60.0120.00316.34
7.4.50.0080.00816.48
7.4.40.0090.00916.32
7.4.30.0090.00916.66
7.4.00.0030.00914.93
7.3.330.0060.00013.09
7.3.320.0060.00013.19
7.3.310.0000.00716.30
7.3.300.0000.00716.22
7.3.290.0110.00716.24
7.3.280.0070.00916.30
7.3.270.0090.00917.40
7.3.260.0070.01116.27
7.3.250.0120.00816.46
7.3.240.0120.00516.23
7.3.230.0060.01016.39
7.3.210.0090.00916.46
7.3.200.0130.00316.25
7.3.190.0080.00816.29
7.3.180.0090.00616.25
7.3.170.0080.01516.31
7.3.160.0120.00616.25
7.3.10.0070.00716.61
7.3.00.0000.01416.63
7.2.330.0090.00916.26
7.2.320.0080.00816.51
7.2.310.0080.00916.29
7.2.300.0120.01016.14
7.2.290.0090.01216.42
7.2.130.0000.01016.47
7.2.120.0060.01016.70
7.2.110.0060.00916.44
7.2.100.0030.01316.82
7.2.90.0060.00916.65
7.2.80.0040.01116.61
7.2.70.0100.00716.83
7.2.60.0080.00716.69
7.2.50.0040.01116.71
7.2.40.0030.00716.80
7.2.30.0060.01216.66
7.2.20.0070.00416.83
7.2.10.0070.00716.72
7.2.00.0080.00717.73
7.1.250.0090.00615.55
7.1.200.0090.00315.71
7.1.70.0040.00417.19
7.1.60.0030.00919.75
7.1.50.0090.00616.84
7.1.00.0030.07722.44
7.0.200.0070.00716.75
7.0.90.0100.06320.18
7.0.80.0200.06320.17
7.0.70.0570.08019.87
7.0.60.0130.06019.98
7.0.50.0500.07720.39
7.0.40.0400.05320.37
7.0.30.0570.09020.43
7.0.20.0670.05320.33
7.0.10.0600.07320.22
7.0.00.0570.04720.30
5.6.240.0270.05020.80
5.6.230.0130.07020.71
5.6.220.0130.07320.59
5.6.210.0200.07720.64
5.6.200.0200.08321.08
5.6.190.0200.05321.09
5.6.180.0100.06021.19
5.6.170.0170.05721.09
5.6.160.0130.07721.19
5.6.150.0170.05721.09
5.6.140.0200.07021.07
5.6.130.0130.06021.08
5.6.120.0130.06021.06
5.6.110.0170.05321.07
5.6.100.0100.06321.07
5.6.90.0100.07021.14
5.6.80.0130.05720.54
5.6.70.0200.05320.45
5.6.60.0130.06320.50
5.6.50.0130.05720.46
5.6.40.0200.05020.46
5.6.30.0270.05320.45
5.6.20.0200.07720.52
5.6.10.0070.06320.43
5.6.00.0100.06720.48

preferences:
59.95 ms | 401 KiB | 5 Q