3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr('GEN004', 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)
8.3.60.0070.00716.75
8.3.50.0080.01322.12
8.3.40.0180.00018.54
8.3.30.0070.00718.92
8.3.20.0070.00020.20
8.3.10.0070.00023.61
8.3.00.0070.00020.52
8.2.180.0110.00416.32
8.2.170.0120.00322.96
8.2.160.0100.00322.12
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.21
8.2.110.0060.00322.24
8.2.100.0150.00017.78
8.2.90.0000.00817.75
8.2.80.0000.00917.97
8.2.70.0060.00317.80
8.2.60.0030.00517.80
8.2.50.0000.00818.10
8.2.40.0060.00320.67
8.2.30.0040.00417.98
8.2.20.0000.00817.49
8.2.10.0000.00819.28
8.2.00.0040.00417.47
8.1.280.0200.00025.92
8.1.270.0050.00323.88
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00920.60
8.1.230.0100.00318.77
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0090.00017.10
8.1.190.0040.00416.73
8.1.180.0030.00518.10
8.1.170.0080.00018.59
8.1.160.0000.00721.85
8.1.150.0000.00718.54
8.1.140.0040.00417.33
8.1.130.0050.00317.75
8.1.120.0030.00417.38
8.1.110.0040.00417.29
8.1.100.0000.00717.21
8.1.90.0000.00817.24
8.1.80.0070.00017.34
8.1.70.0000.00717.29
8.1.60.0040.00417.49
8.1.50.0060.00317.30
8.1.40.0050.00317.32
8.1.30.0040.00417.46
8.1.20.0040.00417.54
8.1.10.0040.00417.43
8.1.00.0060.00317.23
8.0.300.0000.00719.61
8.0.290.0040.00416.63
8.0.280.0050.00318.27
8.0.270.0070.00017.18
8.0.260.0000.00616.86
8.0.250.0000.00716.79
8.0.240.0040.00716.80
8.0.230.0000.00816.86
8.0.220.0070.00016.63
8.0.210.0040.00416.70
8.0.200.0000.00716.81
8.0.190.0070.00016.79
8.0.180.0040.00416.68
8.0.170.0000.00816.82
8.0.160.0040.00416.82
8.0.150.0040.00416.78
8.0.140.0030.00516.67
8.0.130.0000.00613.19
8.0.120.0040.00416.77
8.0.110.0070.00016.66
8.0.100.0080.00016.81
8.0.90.0040.00316.59
8.0.80.0130.00616.78
8.0.70.0030.00516.60
8.0.60.0000.00716.58
8.0.50.0040.00416.79
8.0.30.0080.01016.74
8.0.20.0090.00917.40
8.0.10.0040.00416.83
8.0.00.0120.00616.62
7.4.330.0000.00515.00
7.4.320.0030.00316.37
7.4.300.0060.00016.38
7.4.290.0030.00316.41
7.4.280.0030.00316.39
7.4.270.0070.00016.32
7.4.260.0040.00416.31
7.4.250.0050.00216.41
7.4.240.0040.00416.30
7.4.230.0030.00316.52
7.4.220.0060.01116.39
7.4.210.0070.01016.46
7.4.200.0000.00716.15
7.4.190.0040.00416.18
7.4.160.0130.01016.36
7.4.150.0170.00017.40
7.4.140.0110.00717.86
7.4.130.0070.01216.45
7.4.120.0070.01116.30
7.4.110.0100.00616.43
7.4.100.0080.00816.53
7.4.90.0150.00816.48
7.4.80.0090.00916.45
7.4.70.0150.00316.38
7.4.60.0150.00616.45
7.4.50.0040.00416.30
7.4.40.0060.00922.77
7.4.30.0060.00916.51
7.4.00.0030.00914.63
7.3.330.0030.00312.96
7.3.320.0000.00612.98
7.3.310.0000.00816.18
7.3.300.0030.00315.98
7.3.290.0030.01016.16
7.3.280.0120.00316.09
7.3.270.0060.01217.40
7.3.260.0140.01016.12
7.3.250.0090.00816.18
7.3.240.0090.01316.46
7.3.230.0150.00816.39
7.3.210.0070.01116.31
7.3.200.0120.00919.39
7.3.190.0150.00616.32
7.3.180.0030.01316.35
7.3.170.0110.00516.33
7.3.160.0100.00716.26
7.3.120.0060.00614.72
7.3.10.0100.00716.13
7.3.00.0080.00816.28
7.2.330.0100.00716.50
7.2.320.0070.01016.36
7.2.310.0140.00316.59
7.2.300.0030.01416.38
7.2.290.0060.00916.60
7.2.130.0100.00716.41
7.2.120.0120.00616.41
7.2.110.0140.00716.35
7.2.100.0000.01416.24
7.2.90.0100.00716.41
7.2.80.0140.00716.20
7.2.70.0000.01316.41
7.2.60.0030.01216.15
7.2.50.0080.01116.23
7.2.40.0000.01016.39
7.2.30.0120.00616.18
7.2.20.0030.01216.21
7.2.10.0100.01016.10
7.2.00.0090.00517.87
7.1.250.0000.01414.97
7.1.100.0000.00917.97
7.1.70.0040.00417.04
7.1.60.0100.01319.32
7.1.50.0000.01416.74
7.1.00.0030.07722.28
7.0.200.0000.01216.52
7.0.140.0100.06722.06
7.0.120.0070.03722.14
7.0.110.0030.03322.20
7.0.100.0000.03722.11
7.0.90.0030.03322.16
7.0.80.0070.03022.20
7.0.70.0000.03721.97
7.0.60.0200.02722.14
7.0.50.0030.03321.97
7.0.40.0000.03320.04
7.0.30.0070.04719.93
7.0.20.0100.03019.97
7.0.10.0030.07320.00
7.0.00.0000.05319.93
5.6.280.0100.06721.06
5.6.270.0030.04020.82
5.6.260.0030.03721.01
5.6.250.0030.03320.82
5.6.240.0030.03321.05
5.6.230.0000.04020.79
5.6.220.0000.03320.80
5.6.210.0000.03720.92
5.6.200.0030.03721.02
5.6.190.0070.03020.98
5.6.180.0030.03320.73
5.6.170.0100.03020.85
5.6.160.0070.05020.99
5.6.150.0070.03721.02
5.6.140.0000.04320.69
5.6.130.0070.04020.77
5.6.120.0070.04021.02
5.6.110.0100.05020.89
5.6.100.0070.05721.01
5.6.90.0030.03720.67
5.6.80.0070.04320.34
5.6.70.0070.06320.11
5.6.60.0030.04020.12
5.6.50.0000.06020.41
5.6.40.0000.08020.05
5.6.30.0000.07320.14
5.6.20.0070.04720.29
5.6.10.0000.04320.21
5.6.00.0000.05020.11
5.5.380.0030.03017.50
5.5.370.0000.03317.66
5.5.360.0030.03717.53
5.5.350.0000.03317.62
5.5.340.0030.03318.01
5.5.330.0030.03717.77
5.5.320.0000.06017.82
5.5.310.0070.07318.15
5.5.300.0100.03017.98
5.5.290.0000.05717.86
5.5.280.0070.06317.98
5.5.270.0000.05318.16
5.5.260.0030.07017.85
5.5.250.0000.04317.84
5.5.240.0030.05717.37
5.5.230.0030.05017.36
5.5.220.0000.03717.22
5.5.210.0070.03717.47
5.5.200.0030.05717.34
5.5.190.0030.06717.21
5.5.180.0000.07717.24
5.5.160.0030.06717.36
5.5.150.0070.06717.60
5.5.140.0030.03717.33
5.5.130.0030.07317.19
5.5.120.0030.07717.60
5.5.110.0030.06317.44
5.5.100.0030.07017.12
5.5.90.0030.06717.09
5.5.80.0030.05717.41
5.5.70.0000.05717.34
5.5.60.0030.03717.23
5.5.50.0030.03717.37
5.5.40.0030.03317.23
5.5.30.0000.03717.25
5.5.20.0030.04017.34
5.5.10.0030.05317.10
5.5.00.0130.06717.32
5.4.450.0070.04319.53
5.4.440.0030.04719.35
5.4.430.0030.03719.30
5.4.420.0030.04319.22
5.4.410.0000.04019.15
5.4.400.0000.03718.88
5.4.390.0030.05719.13
5.4.380.0070.05318.89
5.4.370.0070.03019.07
5.4.360.0000.04318.91
5.4.350.0100.05719.22
5.4.340.0030.06019.11
5.4.320.0070.07019.02
5.4.310.0000.04318.92
5.4.300.0000.08018.85
5.4.290.0030.06018.94
5.4.280.0030.03718.89
5.4.270.0030.07719.11
5.4.260.0000.04318.89
5.4.250.0100.04018.97
5.4.240.0070.04019.06
5.4.230.0030.05718.97
5.4.220.0030.04719.12
5.4.210.0000.03718.97
5.4.200.0030.03718.97
5.4.190.0030.04018.94
5.4.180.0070.04718.96
5.4.170.0030.05319.04
5.4.160.0000.04318.85
5.4.150.0030.05018.88
5.4.140.0030.03716.35
5.4.130.0030.05716.29
5.4.120.0000.07316.13
5.4.110.0000.08016.30
5.4.100.0030.04716.47
5.4.90.0100.03316.37
5.4.80.0030.06316.44
5.4.70.0030.05316.43
5.4.60.0030.05016.45
5.4.50.0030.06716.31
5.4.40.0030.04016.26
5.4.30.0100.06016.20
5.4.20.0100.03716.29
5.4.10.0070.03316.15
5.4.00.0100.06315.65
5.3.290.0030.04314.66
5.3.280.0000.06714.46
5.3.270.0000.04014.55
5.3.260.0000.03714.59
5.3.250.0000.03714.62
5.3.240.0000.06014.54
5.3.230.0030.05314.47
5.3.220.0100.06014.62
5.3.210.0030.06714.51
5.3.200.0000.04314.57
5.3.190.0000.05314.41
5.3.180.0070.07314.39
5.3.170.0030.08014.48
5.3.160.0030.04014.38
5.3.150.0000.05014.49
5.3.140.0030.06314.49
5.3.130.0030.07014.64
5.3.120.0070.05014.39
5.3.110.0000.05714.44
5.3.100.0100.06313.86
5.3.90.0000.05013.94
5.3.80.0030.06013.87
5.3.70.0100.06714.10
5.3.60.0070.06314.00
5.3.50.0000.04313.80
5.3.40.0030.05013.95
5.3.30.0100.06713.92
5.3.20.0070.04713.53
5.3.10.0070.04313.43
5.3.00.0070.05013.69
5.2.170.0030.05311.08
5.2.160.0030.03311.02
5.2.150.0030.06011.16
5.2.140.0070.04311.06
5.2.130.0000.03011.15
5.2.120.0000.03711.04
5.2.110.0000.03011.16
5.2.100.0070.02711.02
5.2.90.0030.06011.00
5.2.80.0030.06011.25
5.2.70.0000.03711.05
5.2.60.0000.05710.97
5.2.50.0030.05011.09
5.2.40.0000.03710.93
5.2.30.0070.06010.87
5.2.20.0000.03710.97
5.2.10.0030.05010.75
5.2.00.0000.03710.71
5.1.60.0070.0509.92
5.1.50.0030.0539.88
5.1.40.0030.0539.92
5.1.30.0000.05710.43
5.1.20.0100.05010.27
5.1.10.0000.05010.02
5.1.00.0070.02710.21
5.0.50.0070.0279.07
5.0.40.0030.0409.07
5.0.30.0000.0409.07
5.0.20.0030.0179.07
5.0.10.0000.0309.07
5.0.00.0000.0309.07
4.4.90.0030.0279.07
4.4.80.0100.0239.07
4.4.70.0030.0339.07
4.4.60.0000.0379.07
4.4.50.0000.0379.07
4.4.40.0000.0539.07
4.4.30.0030.0309.07
4.4.20.0070.0139.07
4.4.10.0030.0339.07
4.4.00.0030.0339.07
4.3.110.0000.0279.07
4.3.100.0000.0179.07
4.3.90.0000.0309.07
4.3.80.0000.0239.07
4.3.70.0000.0179.07
4.3.60.0000.0239.07
4.3.50.0000.0279.07
4.3.40.0000.0239.07
4.3.30.0000.0179.07
4.3.20.0030.0139.07
4.3.10.0000.0179.07
4.3.00.0030.0139.07

preferences:
32.41 ms | 401 KiB | 5 Q