3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h2' + 'h3'; echo $heading; echo (Int) 'h2';

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)
8.3.40.0040.01118.71
8.3.30.0100.00318.96
8.3.20.0000.00720.07
8.3.10.0070.00023.66
8.3.00.0000.00919.57
8.2.170.0140.00322.96
8.2.160.0070.00720.57
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0050.00226.16
8.2.120.0060.00320.91
8.2.110.0090.00022.19
8.2.100.0080.00318.03
8.2.90.0040.00419.06
8.2.80.0050.00317.97
8.2.70.0050.00317.63
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0000.00919.70
8.2.30.0000.00718.24
8.2.20.0030.00517.55
8.2.10.0040.00417.84
8.2.00.0000.00819.46
8.1.270.0080.00023.92
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00823.92
8.1.230.0000.01218.97
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0090.00317.35
8.1.190.0040.00417.11
8.1.180.0030.00518.10
8.1.170.0040.00418.46
8.1.160.0030.00521.84
8.1.150.0050.00218.78
8.1.140.0070.00017.23
8.1.130.0030.00317.80
8.1.120.0000.01017.23
8.1.110.0000.00817.35
8.1.100.0000.01017.24
8.1.90.0000.00817.30
8.1.80.0040.00417.21
8.1.70.0070.00017.25
8.1.60.0070.00017.45
8.1.50.0050.00317.44
8.1.40.0050.00217.42
8.1.30.0090.00017.63
8.1.20.0040.00417.60
8.1.10.0070.00017.49
8.1.00.0040.00717.42
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.37
8.0.270.0040.00417.23
8.0.260.0000.00618.43
8.0.250.0080.00016.98
8.0.240.0000.00616.96
8.0.230.0000.00716.98
8.0.220.0030.00316.81
8.0.210.0040.00416.84
8.0.200.0030.00316.91
8.0.190.0000.00716.93
8.0.180.0030.00616.96
8.0.170.0000.00816.93
8.0.160.0030.00316.86
8.0.150.0050.00316.75
8.0.140.0030.00616.82
8.0.130.0030.00313.32
8.0.120.0080.00016.89
8.0.110.0000.00716.85
8.0.100.0040.00416.75
8.0.90.0030.00316.95
8.0.80.0030.01316.84
8.0.70.0070.00016.66
8.0.60.0070.00016.95
8.0.50.0070.00016.66
8.0.30.0110.00816.98
8.0.20.0070.01217.40
8.0.10.0070.00016.95
8.0.00.0050.01216.81
7.4.330.0050.00015.09
7.4.320.0030.00316.41
7.4.300.0040.00416.44
7.4.290.0000.00716.41
7.4.280.0050.00316.35
7.4.270.0000.00816.54
7.4.260.0060.00616.47
7.4.250.0050.00216.25
7.4.240.0020.00716.43
7.4.230.0000.00716.34
7.4.220.0090.00916.39
7.4.210.0030.01016.61
7.4.200.0000.00716.54
7.4.160.0090.01216.33
7.4.150.0050.01417.40
7.4.140.0080.01017.86
7.4.130.0070.00916.56
7.4.120.0090.00916.45
7.4.110.0090.00916.24
7.4.100.0130.01216.60
7.4.90.0060.01016.41
7.4.80.0150.00619.39
7.4.70.0110.00616.40
7.4.60.0090.00616.39
7.4.50.0030.00516.63
7.4.40.0130.00316.51
7.4.30.0080.00816.50
7.4.00.0060.00914.91
7.3.330.0000.00613.09
7.3.320.0030.00312.99
7.3.310.0000.00616.31
7.3.300.0040.00416.16
7.3.290.0030.01016.20
7.3.280.0100.00916.25
7.3.270.0070.01417.40
7.3.260.0080.00816.29
7.3.250.0080.00916.53
7.3.240.0110.00616.35
7.3.230.0090.00616.39
7.3.210.0120.00616.24
7.3.200.0140.00719.39
7.3.190.0130.00316.21
7.3.180.0060.01116.30
7.3.170.0090.00916.34
7.3.160.0130.00316.37
7.3.120.0100.00614.53
7.2.330.0180.00016.62
7.2.320.0040.01216.29
7.2.310.0060.01216.49
7.2.300.0040.01216.33
7.2.290.0060.01016.51
7.2.60.0150.00416.93
7.1.200.0120.00415.99
7.1.100.0210.01817.91
7.1.70.0040.00417.11
7.1.60.0130.01019.70
7.1.50.0030.01916.93
7.1.00.0030.07722.30
7.0.200.0150.00614.71
7.0.140.0100.07021.97
7.0.60.0070.07720.00
7.0.50.0100.04017.72
7.0.40.0000.04720.04
7.0.30.0230.06320.17
7.0.20.0270.08320.00
7.0.10.0030.06320.20
7.0.00.0100.05020.30
5.6.280.0030.07321.11
5.6.210.0100.07320.52
5.6.200.0030.08318.08
5.6.190.0130.08020.37
5.6.180.0400.04320.67
5.6.170.0270.04320.33
5.6.160.0070.03720.44
5.6.150.0000.05318.16
5.6.140.0100.03718.07
5.6.130.0030.08318.11
5.6.120.0130.08020.99
5.6.110.0070.07320.88
5.6.100.0170.03721.13
5.6.90.0170.08321.01
5.6.80.0100.05720.41
5.5.350.0030.08020.31
5.5.340.0030.08318.00
5.5.330.0070.08720.24
5.5.320.0000.05020.26
5.5.310.0330.05320.30
5.5.300.0070.05318.00
5.5.290.0030.04017.91
5.5.280.0130.05720.68
5.5.270.0000.05020.61
5.5.260.0100.04320.64
5.5.250.0070.04320.77
5.5.240.0230.07020.25
5.4.450.0370.03719.58
5.4.440.0530.04019.42
5.4.430.0400.04719.42
5.4.420.0570.06719.14
5.4.410.0430.04019.07
5.4.400.0470.03718.89
5.4.390.0470.03719.16
5.4.380.0600.06319.13
5.4.370.0570.04319.09
5.4.360.0570.03019.04
5.4.350.0500.03719.08
5.4.340.0530.04019.09
5.4.320.0430.04718.82
5.4.310.0600.06718.79
5.4.300.0670.06018.82
5.4.290.0570.06019.24
5.4.280.0500.04319.11
5.4.270.0570.06719.15
5.4.260.0600.05719.24
5.4.250.0570.06719.08
5.4.240.0600.03718.80
5.4.230.0500.04319.21
5.4.220.0600.05019.07
5.4.210.0430.04319.23
5.4.200.0600.06318.93
5.4.190.0630.06018.82
5.4.180.0630.05018.81
5.4.170.0600.06318.78
5.4.160.0470.04718.89
5.4.150.0430.04319.10
5.4.140.0670.05016.18
5.4.130.0500.06316.23
5.4.120.0630.04716.31
5.4.110.0530.03316.06
5.4.100.0670.05316.19
5.4.90.0500.03716.41
5.4.80.0530.03316.48
5.4.70.0600.02716.41
5.4.60.0500.03316.47
5.4.50.0600.06016.43
5.4.40.0400.04016.40
5.4.30.0670.04716.35
5.4.20.0430.03716.38
5.4.10.0530.06316.04
5.4.00.0570.06015.69
5.3.290.0470.04314.62
5.3.280.0470.04014.54
5.3.270.0600.06014.65
5.3.260.0430.04014.44
5.3.250.0700.05714.44
5.3.240.0570.06014.44
5.3.230.0570.06314.54
5.3.220.0600.05014.40
5.3.210.0600.05714.41
5.3.200.0500.07014.50
5.3.190.0500.03714.41
5.3.180.0630.03014.59
5.3.170.0500.05014.50
5.3.160.0400.04314.39
5.3.150.0430.04014.51
5.3.140.0470.04314.58
5.3.130.0500.05014.39
5.3.120.0570.06314.40
5.3.110.0430.03714.42
5.3.100.0530.04013.96
5.3.90.0600.03313.85
5.3.80.0570.05714.00
5.3.70.0470.04013.86
5.3.60.0470.03313.85
5.3.50.0470.03713.96
5.3.40.0600.06014.03
5.3.30.0530.05313.74
5.3.20.0430.04313.66
5.3.10.0670.05013.68
5.3.00.0470.04713.57
5.2.170.0330.03311.08
5.2.160.0400.04011.15
5.2.150.0400.02711.18
5.2.140.0530.04311.14
5.2.130.0330.03711.15
5.2.120.0470.05710.93
5.2.110.0400.03311.03
5.2.100.0470.05011.04
5.2.90.0430.03710.95
5.2.80.0530.04011.14
5.2.70.0500.05310.95
5.2.60.0370.03711.09
5.2.50.0530.05010.84
5.2.40.0400.04310.84
5.2.30.0330.05711.01
5.2.20.0400.04710.84
5.2.10.0300.03011.01
5.2.00.0300.03710.86
5.1.60.0400.0439.88
5.1.50.0370.05010.06
5.1.40.0470.0409.86
5.1.30.0370.02710.30
5.1.20.0330.03010.45
5.1.10.0370.0339.95
5.1.00.0400.04310.07
5.0.50.0270.0408.66
5.0.40.0170.0278.34
5.0.30.0200.0338.13
5.0.20.0170.0278.12
5.0.10.0270.0278.31
5.0.00.0130.0578.08
4.4.90.0170.0207.57
4.4.80.0130.0207.57
4.4.70.0270.0307.57
4.4.60.0200.0207.57
4.4.50.0230.0237.57
4.4.40.0270.0337.57
4.4.30.0200.0137.57
4.4.20.0200.0337.57
4.4.10.0200.0337.57
4.4.00.0200.0507.57
4.3.110.0170.0177.57
4.3.100.0200.0277.57
4.3.90.0170.0237.57
4.3.80.0270.0437.57
4.3.70.0200.0337.57
4.3.60.0270.0137.57
4.3.50.0230.0237.57
4.3.40.0200.0507.57
4.3.30.0100.0207.57
4.3.20.0130.0237.57
4.3.10.0070.0237.57
4.3.00.0200.0177.57

preferences:
40.83 ms | 400 KiB | 5 Q