3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump('1Acarré' + '2Ab');

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)
8.3.60.0270.00616.44
8.3.50.0120.00517.40
8.3.40.0210.00919.03
8.3.30.0120.01019.08
8.3.20.0120.00823.42
8.3.10.0080.00823.74
8.3.00.0110.00722.98
8.2.180.0140.00521.12
8.2.170.0170.00518.37
8.2.160.0170.00921.20
8.2.150.0150.00722.34
8.2.140.0150.00322.96
8.2.130.0100.00724.18
8.2.120.0120.00522.50
8.2.110.0110.00621.71
8.2.100.0160.00620.10
8.2.90.0140.00620.40
8.2.80.0150.00620.63
8.2.70.0130.00545.06
8.2.60.0160.00530.94
8.2.50.0140.00628.59
8.2.40.0130.00526.29
8.2.30.0130.00526.61
8.2.20.0120.00726.60
8.2.10.0110.00725.53
8.2.00.0110.00625.11
8.1.280.0270.00716.32
8.1.270.0110.00723.72
8.1.260.0120.00624.73
8.1.250.0100.00724.21
8.1.240.0100.00721.67
8.1.230.0120.00620.78
8.1.220.0150.00720.60
8.1.210.0160.00620.61
8.1.200.0140.00633.00
8.1.190.0140.00530.69
8.1.180.0130.00527.94
8.1.170.0130.00527.60
8.1.160.0120.00626.47
8.1.150.0130.00526.60
8.1.140.0120.00526.01
8.1.130.0120.00525.37
8.1.120.0120.00524.37
8.1.110.0120.00523.58
8.1.100.0110.00522.68
8.1.90.0110.00522.46
8.1.80.0110.00522.01
8.1.70.0100.00521.61
8.1.60.0120.00621.80
8.1.50.0120.00521.46
8.1.40.0120.00521.04
8.1.30.0120.00520.84
8.1.20.0120.00620.58
8.1.10.0120.00520.09
8.1.00.0130.00520.33
8.0.300.0130.00520.28
8.0.290.0160.00534.28
8.0.280.0150.00525.81
8.0.270.0130.00525.91
8.0.260.0130.00625.02
8.0.250.0110.00523.97
8.0.240.0120.00523.23
8.0.230.0110.00522.48
8.0.220.0110.00522.19
8.0.210.0110.00621.95
8.0.200.0120.00421.68
8.0.190.0120.00521.56
8.0.180.0110.00521.15
8.0.170.0130.00520.84
8.0.160.0120.00520.56
8.0.150.0120.00520.20
8.0.140.0120.00519.96
8.0.130.0110.00519.57
8.0.120.0120.00519.36
8.0.110.0100.00419.22
8.0.100.0100.00518.94
8.0.90.0100.00418.75
8.0.80.0100.00518.95
8.0.70.0100.00518.96
8.0.60.0100.00518.99
8.0.50.0100.00518.97
8.0.30.0100.00518.99
8.0.20.0100.00519.05
8.0.10.0100.00519.04
8.0.00.0080.00519.19
7.4.330.0100.00422.93
7.4.320.0130.00522.58
7.4.300.0110.00520.81
7.4.290.0120.00520.88
7.4.280.0130.00620.21
7.4.270.0120.00519.38
7.4.260.0120.00520.07
7.4.250.0130.00519.06
7.4.240.0120.00418.94
7.4.230.0110.00518.70
7.4.220.0100.00418.64
7.4.210.0110.00418.63
7.4.200.0110.00518.66
7.4.190.0110.00418.73
7.4.180.0100.00518.73
7.4.160.0110.00518.70
7.4.150.0110.00418.63
7.4.140.0100.00518.61
7.4.130.0100.00518.53
7.4.120.0110.00418.55
7.4.110.0110.00518.56
7.4.100.0110.00418.64
7.4.90.0110.00418.59
7.4.80.0110.00518.55
7.4.70.0110.00418.54
7.4.60.0100.00518.59
7.4.50.0100.00518.49
7.4.40.0110.00418.47
7.4.30.0100.00418.43
7.4.20.0100.00518.54
7.4.10.0100.00418.53
7.4.00.0100.00418.58
7.3.330.0130.00520.12
7.3.320.0140.00418.98
7.3.310.0130.00518.76
7.3.300.0120.00418.51
7.3.290.0120.00418.46
7.3.280.0120.00418.52
7.3.270.0110.00518.51
7.3.260.0120.00418.48
7.3.250.0120.00518.51
7.3.240.0120.00418.48
7.3.230.0120.00518.49
7.3.220.0120.00418.43
7.3.210.0120.00418.45
7.3.200.0120.00418.45
7.3.190.0120.00418.45
7.3.180.0120.00518.44
7.3.170.0120.00418.46
7.3.160.0120.00418.45
7.3.150.0110.00418.44
7.3.140.0110.00518.44
7.3.130.0120.00418.45
7.3.120.0120.00418.45
7.3.110.0120.00518.40
7.3.100.0120.00418.40
7.3.90.0120.00418.65
7.3.80.0120.00418.43
7.3.70.0120.00418.49
7.3.60.0120.00418.52
7.3.50.0120.00418.54
7.3.40.0120.00418.54
7.3.30.0110.00518.54
7.3.20.0130.00419.54
7.3.10.0120.00419.49
7.3.00.0120.00519.48

preferences:
53.93 ms | 400 KiB | 5 Q