3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("ISIC", 0, -3);

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)
8.3.60.0160.00316.50
8.3.50.0090.01117.34
8.3.40.0040.01118.70
8.3.30.0100.00718.59
8.3.20.0040.00418.64
8.3.10.0000.00818.52
8.3.00.0000.00819.25
8.2.180.0100.01016.32
8.2.170.0040.01122.96
8.2.160.0090.00618.83
8.2.150.0040.00424.18
8.2.140.0040.01124.66
8.2.130.0040.00426.16
8.2.120.0040.00419.53
8.2.110.0070.00321.10
8.2.100.0000.01219.44
8.2.90.0060.00319.26
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0040.00419.10
8.2.30.0000.01117.66
8.2.20.0030.00717.61
8.2.10.0000.00919.34
8.2.00.0060.00317.54
8.1.280.0030.01425.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.25
8.1.230.0040.00722.12
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.10
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0080.00018.45
8.1.160.0040.00418.88
8.1.150.0050.00218.55
8.1.140.0040.00417.27
8.1.130.0030.00517.23
8.1.120.0000.00817.31
8.1.110.0070.00017.32
8.1.100.0040.00417.21
8.1.90.0000.00717.36
8.1.80.0050.00217.20
8.1.70.0040.00417.29
8.1.60.0040.00417.35
8.1.50.0060.00317.32
8.1.40.0000.00717.41
8.1.30.0000.00817.50
8.1.20.0000.01017.44
8.1.10.0040.00417.42
8.1.00.0090.00017.18
8.0.300.0080.00018.77
8.0.290.0040.00416.58
8.0.280.0070.00018.61
8.0.270.0060.00017.12
8.0.260.0000.00616.74
8.0.250.0060.00316.80
8.0.240.0070.00016.93
8.0.230.0000.00816.86
8.0.220.0100.00016.67
8.0.210.0070.00016.64
8.0.200.0000.00716.77
8.0.190.0000.00816.85
8.0.180.0070.00016.68
8.0.170.0030.00616.67
8.0.160.0030.00316.73
8.0.150.0030.00616.70
8.0.140.0000.00716.70
8.0.130.0060.00013.17
8.0.120.0030.00716.49
8.0.110.0000.00716.68
8.0.100.0050.00316.64
8.0.90.0070.00016.65
8.0.80.0120.00316.64
8.0.70.0090.00016.65
8.0.60.0020.00516.73
8.0.50.0030.00616.75
8.0.30.0030.01317.16
8.0.20.0110.00816.71
8.0.10.0000.00716.88
8.0.00.0090.01116.65
7.4.330.0000.00512.90
7.4.320.0060.00016.34
7.4.300.0060.00016.46
7.4.290.0040.00416.45
7.4.280.0080.00016.27
7.4.270.0030.00316.39
7.4.260.0030.00313.11
7.4.250.0030.00616.32
7.4.240.0070.00016.46
7.4.230.0000.00916.25
7.4.220.0090.01216.31
7.4.210.0040.01116.25
7.4.200.0000.00716.52
7.4.190.0070.00016.50
7.4.160.0120.00416.36
7.4.150.0110.01216.21
7.4.140.0100.01617.86
7.4.130.0190.00416.26
7.4.120.0090.00916.34
7.4.110.0100.00716.35
7.4.100.0070.01016.23
7.4.90.0040.01716.21
7.4.80.0110.01119.39
7.4.70.0080.00816.35
7.4.60.0100.01016.44
7.4.50.0030.00616.25
7.4.40.0060.00416.20
7.4.30.0030.01316.48
7.4.00.0000.01814.82
7.3.330.0030.00313.06
7.3.320.0050.00012.95
7.3.310.0000.00716.01
7.3.300.0040.00416.11
7.3.290.0100.00416.12
7.3.280.0080.01215.96
7.3.270.0090.00916.34
7.3.260.0160.00616.30
7.3.240.0130.00316.49
7.3.230.0130.00316.34
7.3.210.0060.01016.14
7.3.200.0110.01216.38
7.3.190.0150.00316.19
7.3.180.0030.01316.46
7.3.170.0110.00916.21
7.3.160.0100.01416.23
7.3.120.0070.00714.76
7.2.330.0030.01516.19
7.2.320.0130.00616.20
7.2.310.0100.01016.28
7.2.300.0080.00816.41
7.2.290.0110.00716.62
7.2.00.0070.00718.96
7.1.70.0080.00317.04
7.1.60.0000.02019.21
7.1.50.0230.01334.73
7.1.00.0000.05722.48
7.0.200.0060.00316.51
7.0.140.0030.07321.99
7.0.120.0030.07022.05
7.0.60.0100.07320.00
7.0.50.0030.08317.87
7.0.40.0070.04020.08
7.0.30.0630.06720.17
7.0.20.0270.07720.01
7.0.10.0270.07320.13
7.0.00.0030.06720.17
5.6.280.0070.07021.09
5.6.210.0030.04020.73
5.6.200.0070.06018.09
5.6.190.0200.07020.61
5.6.180.0230.03720.60
5.6.170.0300.05720.51
5.6.160.0070.03720.35
5.6.150.0070.05018.17
5.6.140.0170.07318.11
5.6.130.0130.07318.16
5.6.120.0070.07321.00
5.6.110.0030.07021.10
5.6.100.0170.07721.01
5.6.90.0070.05020.96
5.6.80.0100.06720.34
5.6.70.3700.03720.41
5.5.350.0230.06020.39
5.5.340.0070.07717.98
5.5.330.0070.04320.40
5.5.320.0300.03320.30
5.5.310.0170.04020.23
5.5.300.0070.06318.00
5.5.290.0130.08018.02
5.5.280.0070.04720.68
5.5.270.0070.08320.83
5.5.260.0100.08720.86
5.5.250.0100.08020.56
5.5.240.0100.07320.06
5.4.450.0370.07319.25
5.4.440.3670.04719.54
5.4.430.0030.06019.32
5.4.420.0100.05319.34
5.4.410.0070.05719.52
5.4.400.0200.04019.23
5.4.390.0100.05019.00
5.4.380.0200.06018.62
5.4.370.0070.05718.60
5.4.360.0100.04318.67
5.4.350.0070.03611.97
5.4.340.0060.03611.97
5.4.320.0050.04412.45
5.4.310.0070.03712.45
5.4.300.0090.04112.45
5.4.290.0080.04212.45
5.4.280.0080.04312.35
5.4.270.0060.04212.34
5.4.260.0090.04612.35
5.4.250.0090.04112.35
5.4.240.0080.04012.34
5.4.230.0070.04412.34
5.4.220.0080.04112.34
5.4.210.0060.04112.34
5.4.200.0060.04512.34
5.4.190.0060.04912.33
5.4.180.0070.04812.33
5.4.170.0070.04612.34
5.4.160.0080.04312.34
5.4.150.0070.04412.34
5.4.140.0080.04712.02
5.4.130.0070.04412.01
5.4.120.0070.04111.97
5.4.110.0080.04311.96
5.4.100.0080.04211.96
5.4.90.0080.04611.96
5.4.80.0060.04611.96
5.4.70.0080.04111.96
5.4.60.0070.04211.96
5.4.50.0070.04711.96
5.4.40.0120.06011.95
5.4.30.0090.04811.95
5.4.20.0100.04611.95
5.4.10.0070.04211.94
5.4.00.0080.04411.43
5.3.290.0040.04012.80
5.3.280.0070.05312.71
5.3.270.0100.04912.72
5.3.260.0080.05212.72
5.3.250.0120.06112.72
5.3.240.0080.04912.72
5.3.230.0080.05112.71
5.3.220.0090.04912.68
5.3.210.0100.05012.68
5.3.200.0080.05112.68
5.3.190.0100.04512.68
5.3.180.0080.04812.67
5.3.170.0100.04612.67
5.3.160.0070.04912.67
5.3.150.0100.04812.67
5.3.140.0090.04812.66
5.3.130.0070.05112.66
5.3.120.0080.05012.66
5.3.110.0100.04812.66
5.3.100.0090.04612.12
5.3.90.0100.04812.08
5.3.80.0090.05112.08
5.3.70.0100.04912.08
5.3.60.0100.04812.06
5.3.50.0090.05912.00
5.3.40.0090.05812.00

preferences:
43.68 ms | 401 KiB | 5 Q