3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('123' + '5'); var_dump('123' . '5');

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)
8.3.60.0150.00418.05
8.3.50.0070.01221.84
8.3.40.0040.01118.59
8.3.30.0120.00319.00
8.3.20.0070.00020.20
8.3.10.0040.00423.70
8.3.00.0070.00019.02
8.2.180.0090.00617.97
8.2.170.0110.00422.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0060.01226.16
8.2.120.0040.00419.54
8.2.110.0090.00020.36
8.2.100.0110.00017.78
8.2.90.0000.00817.50
8.2.80.0060.00317.97
8.2.70.0000.00817.80
8.2.60.0050.00318.09
8.2.50.0030.00518.10
8.2.40.0000.00719.20
8.2.30.0000.00719.11
8.2.20.0070.00017.57
8.2.10.0000.00717.89
8.2.00.0000.00717.42
8.1.280.0110.00325.92
8.1.270.0060.00318.76
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0130.00623.84
8.1.230.0080.00319.01
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00816.98
8.1.180.0100.00018.10
8.1.170.0090.00018.66
8.1.160.0030.00318.89
8.1.150.0000.00718.62
8.1.140.0070.00017.36
8.1.130.0040.00417.74
8.1.120.0080.00017.29
8.1.110.0040.00417.30
8.1.100.0040.00417.13
8.1.90.0000.00717.29
8.1.80.0000.00717.22
8.1.70.0030.00317.29
8.1.60.0000.01017.31
8.1.50.0030.00517.38
8.1.40.0000.00717.25
8.1.30.0030.00517.41
8.1.20.0080.00017.50
8.1.10.0040.00417.38
8.1.00.0080.00017.17
8.0.300.0000.00721.50
8.0.290.0000.00716.58
8.0.280.0030.00318.21
8.0.270.0070.00017.03
8.0.260.0000.00617.02
8.0.250.0040.00416.73
8.0.240.0000.00716.84
8.0.230.0070.00016.77
8.0.220.0030.00316.71
8.0.210.0030.00516.82
8.0.200.0030.00316.70
8.0.190.0070.00016.76
8.0.180.0070.00016.69
8.0.170.0040.00416.73
8.0.160.0040.00416.79
8.0.150.0040.00416.67
8.0.140.0030.00616.54
8.0.130.0000.00713.11
8.0.120.0040.00416.60
8.0.110.0030.00516.77
8.0.100.0040.00416.79
8.0.90.0030.00316.71
8.0.80.0070.01016.77
8.0.70.0000.00716.53
8.0.60.0040.00416.77
8.0.50.0000.00716.78
8.0.30.0100.01017.01
8.0.20.0100.01017.40
8.0.10.0000.00716.73
8.0.00.0120.00816.68
7.4.330.0000.00415.03
7.4.320.0060.00016.46
7.4.300.0060.00016.44
7.4.290.0070.00016.50
7.4.280.0030.00716.46
7.4.270.0080.00016.47
7.4.260.0080.00016.34
7.4.250.0040.00416.39
7.4.240.0020.00516.42
7.4.230.0030.00316.44
7.4.220.0130.01016.40
7.4.210.0060.01216.41
7.4.200.0070.00016.48
7.4.160.0040.01216.34
7.4.150.0080.00817.40
7.4.140.0110.00517.86
7.4.130.0100.01216.40
7.4.120.0080.00816.29
7.4.110.0090.00916.42
7.4.100.0090.01016.26
7.4.90.0100.01016.34
7.4.80.0090.01119.39
7.4.70.0100.00716.41
7.4.60.0100.01016.34
7.4.50.0040.00416.13
7.4.40.0060.01216.41
7.4.30.0090.01216.49
7.4.00.0060.00914.90
7.3.330.0000.00513.03
7.3.320.0000.00612.84
7.3.310.0000.00615.95
7.3.300.0000.00716.14
7.3.290.0070.00616.11
7.3.280.0070.01116.13
7.3.270.0080.01317.40
7.3.260.0100.01316.46
7.3.250.0100.01016.26
7.3.240.0150.00916.14
7.3.230.0090.00916.39
7.3.210.0110.00516.30
7.3.200.0140.00519.39
7.3.190.0070.01016.07
7.3.180.0200.00316.25
7.3.170.0040.01316.27
7.3.160.0130.00316.33
7.2.330.0160.00616.34
7.2.320.0100.01316.55
7.2.310.0070.01116.53
7.2.300.0130.00316.21
7.2.290.0160.00616.24
7.2.60.0080.00416.88
7.2.00.0030.01219.09
7.1.200.0090.00615.55
7.1.100.0040.01117.77
7.1.70.0000.01016.72
7.1.60.0100.01419.22
7.1.50.0090.00916.83
7.1.00.0100.06722.28
7.0.200.0040.00716.56
7.0.140.0000.04722.12
7.0.60.0030.08720.02
7.0.50.0070.06317.89
7.0.40.0170.07720.03
7.0.30.0230.07320.31
7.0.20.0200.06020.04
7.0.10.0070.07020.02
7.0.00.0070.08320.17
5.6.280.0000.07720.81
5.6.210.0100.08720.64
5.6.200.0070.03718.08
5.6.190.0070.08020.36
5.6.180.0330.04720.67
5.6.170.0170.04020.52
5.6.160.0100.08020.41
5.6.150.0100.06718.23
5.6.140.0030.08318.11
5.6.130.0070.05018.18
5.6.120.0000.04721.13
5.6.110.0000.08321.00
5.6.100.0030.04021.02
5.6.90.0070.04020.94
5.6.80.0070.07020.50
5.5.350.0230.07320.46
5.5.340.0070.07717.91
5.5.330.0100.05020.13
5.5.320.0300.06320.28
5.5.310.0230.04020.29
5.5.300.0100.08018.04
5.5.290.0070.08317.94
5.5.280.0100.04020.79
5.5.270.0130.05720.88
5.5.260.0070.08720.87
5.5.250.0030.08320.60
5.5.240.0000.03320.28
5.4.450.0630.05719.28
5.4.440.0170.06319.47
5.4.430.0130.05719.41
5.4.420.0200.05019.09
5.4.410.0100.05719.45
5.4.400.0170.07018.95
5.4.390.0270.05018.80
5.4.380.0270.06318.59
5.4.370.0330.04718.47
5.4.360.0230.07018.67
5.4.350.0270.07318.53
5.4.340.0230.07018.67
5.4.320.0200.05718.66
5.4.310.0170.05718.50
5.4.300.0070.08018.69
5.4.290.0230.07018.68
5.4.280.0300.06018.48
5.4.270.0230.06718.58
5.4.260.0200.05318.69
5.4.250.0200.06018.68
5.4.240.0270.06718.70
5.4.230.0200.05718.57
5.4.220.0230.05318.57
5.4.210.0070.06318.62
5.4.200.0230.04316.76
5.4.190.0170.05318.50
5.4.180.0200.05318.68
5.4.170.0230.05318.50
5.4.160.0200.05718.70
5.4.150.0130.06018.53
5.4.140.0300.04016.36
5.4.130.0330.04316.24
5.4.120.0270.04316.16
5.4.110.0170.05316.19
5.4.100.0270.04716.21
5.4.90.0230.05716.05
5.4.80.0170.05716.11
5.4.70.0300.04316.14
5.4.60.0230.05016.18
5.4.50.0230.05016.05
5.4.40.0230.05016.19
5.4.30.0130.05716.27
5.4.20.0230.05716.13
5.4.10.0130.05316.06
5.4.00.0170.04715.60
5.3.290.0300.05714.73
5.3.280.0200.05014.68
5.3.270.0230.05314.63
5.3.260.0170.05314.67
5.3.250.0200.05714.63
5.3.240.0300.04314.66
5.3.230.0270.05314.50
5.3.220.0270.06714.65
5.3.210.0270.05014.54
5.3.200.0270.04314.56
5.3.190.0170.06314.63
5.3.180.0130.05714.54
5.3.170.0170.07014.64
5.3.160.0200.04714.63
5.3.150.0200.05714.61
5.3.140.0300.04014.64
5.3.130.0170.06014.64
5.3.120.0230.05314.44
5.3.110.0300.05314.63
5.3.100.0100.05714.02
5.3.90.0200.07013.96
5.3.80.0300.06014.00
5.3.70.0170.05014.00
5.3.60.0130.05313.91
5.3.50.0230.05314.01
5.3.40.0100.06313.85
5.3.30.0200.05013.82
5.3.20.0100.05713.63
5.3.10.0300.06013.63
5.3.00.0230.05313.62
5.2.170.0170.04311.17
5.2.160.0130.04311.14
5.2.150.0100.05011.07
5.2.140.0300.03011.27
5.2.130.0300.03311.08
5.2.120.0170.04011.10
5.2.110.0130.04311.01
5.2.100.0100.06011.03
5.2.90.0200.04011.07
5.2.80.0130.05011.15
5.2.70.0130.04311.23
5.2.60.0200.04311.05
5.2.50.0270.05011.09
5.2.40.0200.04711.03
5.2.30.0170.03710.92
5.2.20.0200.04311.09
5.2.10.0030.05310.95
5.2.00.0200.03710.80
5.1.60.0100.03710.04
5.1.50.0170.03010.13
5.1.40.0100.03710.04
5.1.30.0230.02710.46
5.1.20.0200.03710.40
5.1.10.0130.04010.18
5.1.00.0100.04310.05
5.0.50.0130.0378.61
5.0.40.0070.0308.46
5.0.30.0030.0538.34
5.0.20.0070.0378.27
5.0.10.0170.0278.34
5.0.00.0070.0438.18
4.4.90.0130.0237.05
4.4.80.0070.0307.05
4.4.70.0070.0237.05
4.4.60.0130.0237.05
4.4.50.0100.0277.05
4.4.40.0130.0407.05
4.4.30.0030.0277.05
4.4.20.0070.0277.05
4.4.10.0100.0207.05
4.4.00.0000.0477.05
4.3.110.0170.0237.05
4.3.100.0070.0207.05
4.3.90.0000.0277.05
4.3.80.0030.0407.05
4.3.70.0100.0177.05
4.3.60.0100.0177.05
4.3.50.0100.0237.05
4.3.40.0100.0377.05
4.3.30.0070.0207.05
4.3.20.0030.0237.05
4.3.10.0070.0207.05
4.3.00.0100.0237.63

preferences:
65.89 ms | 401 KiB | 5 Q