3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b=2; $a='qwerty1207'; $c=$a+'ss' ; echo $c;

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)
8.3.60.0140.00718.43
8.3.50.0140.00521.99
8.3.40.0100.01018.65
8.3.30.0030.01718.59
8.3.20.0070.00020.22
8.3.10.0050.00320.71
8.3.00.0040.00421.87
8.2.180.0040.01118.55
8.2.170.0090.00622.96
8.2.160.0100.00322.14
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0030.00521.18
8.2.120.0040.00426.35
8.2.110.0000.01021.18
8.2.100.0000.01117.93
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0090.00017.50
8.2.60.0000.00917.91
8.2.50.0040.00418.09
8.2.40.0000.00720.28
8.2.30.0000.00819.47
8.2.20.0000.00717.66
8.2.10.0050.00218.04
8.2.00.0000.00718.01
8.1.280.0120.00625.92
8.1.270.0110.00723.99
8.1.260.0000.00828.09
8.1.250.0030.00628.09
8.1.240.0060.00322.14
8.1.230.0000.01020.89
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0070.00318.46
8.1.160.0000.00720.65
8.1.150.0070.00018.84
8.1.140.0000.00819.44
8.1.130.0000.00717.55
8.1.120.0040.00317.42
8.1.110.0000.00717.38
8.1.100.0000.00717.35
8.1.90.0050.00217.28
8.1.80.0030.00617.42
8.1.70.0000.00717.40
8.1.60.0000.00817.39
8.1.50.0000.00817.41
8.1.40.0050.00317.43
8.1.30.0060.00317.68
8.1.20.0000.00817.38
8.1.10.0000.00717.54
8.1.00.0000.00817.49
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0000.00718.27
8.0.270.0070.00017.18
8.0.260.0040.00417.11
8.0.250.0030.00316.97
8.0.240.0000.00616.84
8.0.230.0030.00516.90
8.0.220.0040.00416.87
8.0.210.0040.00416.77
8.0.200.0030.00316.81
8.0.190.0000.00716.86
8.0.180.0040.00416.77
8.0.170.0070.00016.93
8.0.160.0040.00416.88
8.0.150.0030.00316.71
8.0.140.0050.00316.86
8.0.130.0000.00513.25
8.0.120.0040.00416.83
8.0.110.0030.00516.84
8.0.100.0040.00416.81
8.0.90.0030.00516.77
8.0.80.0090.00616.82
8.0.70.0050.00216.82
8.0.60.0040.00416.91
8.0.50.0040.00416.95
8.0.30.0110.00817.20
8.0.20.0120.00817.40
8.0.10.0040.00317.04
8.0.00.0110.00916.78
7.4.330.0050.00016.76
7.4.320.0000.00716.33
7.4.300.0060.00016.53
7.4.290.0000.00816.52
7.4.280.0040.00416.53
7.4.270.0000.00716.34
7.4.260.0050.00516.50
7.4.250.0050.00216.37
7.4.240.0070.00016.42
7.4.230.0030.00316.52
7.4.220.0160.01216.38
7.4.210.0100.01016.60
7.4.200.0040.00316.53
7.4.160.0090.00616.48
7.4.150.0190.00017.40
7.4.140.0120.01217.86
7.4.130.0070.01016.50
7.4.120.0120.00616.52
7.4.110.0100.00716.43
7.4.100.0140.00316.55
7.4.90.0080.00916.44
7.4.80.0040.01219.39
7.4.70.0160.00716.49
7.4.60.0030.01316.57
7.4.50.0030.00716.07
7.4.40.0070.01016.45
7.4.30.0000.01616.49
7.4.00.0060.00814.83
7.3.330.0000.00513.01
7.3.320.0000.00613.04
7.3.310.0000.00716.11
7.3.300.0030.00316.24
7.3.290.0090.00716.23
7.3.280.0060.01116.23
7.3.270.0130.00317.40
7.3.260.0070.01016.35
7.3.250.0090.01016.25
7.3.240.0100.00616.53
7.3.230.0110.01116.43
7.3.210.0150.00616.30
7.3.200.0040.01216.38
7.3.190.0020.00116.20
7.3.180.0030.01416.23
7.3.170.0110.00516.48
7.3.160.0150.00016.33
7.2.330.0060.01016.25
7.2.320.0100.00716.71
7.2.310.0090.01016.44
7.2.300.0070.01016.73
7.2.290.0100.00716.43
7.2.60.0000.01216.79
7.2.00.0040.01119.36
7.1.200.0030.01015.39
7.1.100.0160.00012.13
7.1.70.0000.00917.07
7.1.60.0150.00919.24
7.1.50.0000.01216.84
7.1.00.0070.07322.46
7.0.200.0670.00714.64
7.0.60.0200.03319.98
7.0.50.0000.04317.83
7.0.40.0000.05320.20
7.0.30.0100.04720.04
7.0.20.0270.04320.03
7.0.10.0130.06320.08
7.0.00.0030.05320.00
5.6.280.0070.05320.89
5.6.210.0070.07020.72
5.6.200.0070.03718.18
5.6.190.0030.04320.77
5.6.180.0300.07720.48
5.6.170.0200.03720.38
5.6.160.0130.05020.38
5.6.150.0070.08018.20
5.6.140.0070.06718.10
5.6.130.0030.09018.11
5.6.120.0100.04020.93
5.6.110.0100.07721.04
5.6.100.0070.06020.85
5.6.90.0130.06320.96
5.6.80.0130.07320.38
5.5.350.0330.07020.39
5.5.340.0170.06718.07
5.5.330.0070.04020.56
5.5.320.0570.07320.50
5.5.310.0400.06720.32
5.5.300.0230.06717.95
5.5.290.0070.07018.04
5.5.280.0000.08720.88
5.5.270.0130.07720.75
5.5.260.0030.06020.84
5.5.250.0130.08020.70
5.5.240.0030.03020.34

preferences:
57.95 ms | 401 KiB | 5 Q