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)
8.5.30.0170.00718.80
8.5.20.0190.00917.66
8.5.10.0260.00716.70
8.5.00.0200.01017.26
8.4.180.0300.01119.48
8.4.170.0230.01021.22
8.4.160.0260.01119.89
8.4.150.0240.01018.87
8.4.140.0270.00917.59
8.4.130.0270.00917.54
8.4.120.0370.00717.97
8.4.110.0340.00718.18
8.4.100.0330.00917.75
8.4.90.0320.00818.20
8.4.80.0280.00817.83
8.4.70.0310.00717.70
8.4.60.0310.00917.81
8.4.50.0300.00917.66
8.4.40.0310.00717.83
8.4.30.0330.00717.67
8.4.20.0300.00817.63
8.4.10.0290.00717.87
8.3.300.0370.01018.32
8.3.290.0280.01019.34
8.3.280.0250.00818.39
8.3.270.0310.00816.87
8.3.260.0370.00716.82
8.3.250.0330.00817.09
8.3.240.0300.00716.78
8.3.230.0300.01016.77
8.3.220.0290.00716.97
8.3.210.0290.00717.00
8.3.200.0280.00716.82
8.3.190.0280.00716.69
8.3.180.0290.00616.81
8.3.170.0280.00716.89
8.3.160.0290.00716.85
8.3.150.0280.00716.65
8.3.140.0280.00816.67
8.3.130.0260.00516.70
8.3.120.0230.00616.74
8.3.110.0240.00716.74
8.3.100.0280.00619.00
8.3.90.0290.00617.44
8.3.80.0270.00617.27
8.3.70.0260.00717.15
8.3.60.0280.00717.98
8.3.50.0270.00717.66
8.3.40.0270.00618.38
8.3.30.0210.00818.40
8.3.20.0210.00719.63
8.3.10.0190.00720.06
8.3.00.0160.00719.55
8.2.300.0330.01017.93
8.2.290.0250.00617.22
8.2.280.0210.00616.92
8.2.270.0240.00616.75
8.2.260.0240.00716.58
8.2.250.0240.00616.64
8.2.240.0230.00716.61
8.2.230.0230.00716.74
8.2.220.0230.00717.27
8.2.210.0220.00617.36
8.2.200.0230.00617.17
8.2.190.0250.00617.18
8.2.180.0240.00717.77
8.2.170.0280.00718.48
8.2.160.0260.00718.70
8.2.150.0240.00619.32
8.2.140.0240.00519.38
8.2.130.0210.00719.89
8.2.120.0220.00719.36
8.2.110.0220.00619.58
8.2.100.0210.00719.12
8.2.90.0200.00719.20
8.2.80.0210.00719.14
8.2.70.0190.00632.63
8.2.60.0210.00623.58
8.2.50.0200.00723.16
8.2.40.0180.00622.54
8.2.30.0190.00622.66
8.2.20.0180.00622.66
8.2.10.0180.00622.31
8.2.00.0170.00622.17
8.1.340.0260.00917.78
8.1.330.0260.00816.44
8.1.320.0230.00716.57
8.1.310.0230.00616.24
8.1.300.0230.00616.33
8.1.290.0240.00718.23
8.1.280.0260.00717.29
8.1.270.0230.00719.31
8.1.260.0210.00619.93
8.1.250.0210.00719.55
8.1.240.0190.00719.12
8.1.230.0180.00719.08
8.1.220.0200.00718.97
8.1.210.0210.00718.96
8.1.200.0200.00724.29
8.1.190.0200.00623.29
8.1.180.0200.00522.85
8.1.170.0180.00622.78
8.1.160.0180.00622.52
8.1.150.0180.00622.56
8.1.140.0160.00722.31
8.1.130.0170.00522.17
8.1.120.0160.00521.83
8.1.110.0160.00521.49
8.1.100.0150.00621.09
8.1.90.0150.00620.99
8.1.80.0150.00520.77
8.1.70.0140.00620.57
8.1.60.0160.00620.70
8.1.50.0160.00520.52
8.1.40.0160.00620.28
8.1.30.0160.00620.17
8.1.20.0150.00620.02
8.1.10.0140.00619.66
8.1.00.0160.00519.80
8.0.300.0200.00618.57
8.0.290.0210.00624.72
8.0.280.0190.00622.02
8.0.270.0180.00622.00
8.0.260.0180.00621.76
8.0.250.0160.00621.44
8.0.240.0160.00621.14
8.0.230.0160.00620.77
8.0.220.0160.00620.62
8.0.210.0160.00620.50
8.0.200.0150.00520.38
8.0.190.0150.00520.33
8.0.180.0140.00520.11
8.0.170.0150.00519.93
8.0.160.0140.00519.78
8.0.150.0140.00519.54
8.0.140.0140.00519.37
8.0.130.0140.00519.12
8.0.120.0140.00518.97
8.0.110.0130.00518.87
8.0.100.0120.00518.67
8.0.90.0120.00518.53
8.0.80.0120.00518.68
8.0.70.0120.00518.69
8.0.60.0130.00518.71
8.0.50.0130.00518.71
8.0.30.0120.00518.72
8.0.20.0120.00518.77
8.0.10.0130.00518.78
8.0.00.0110.00518.94
7.4.330.0150.00520.79
7.4.320.0170.00520.68
7.4.300.0140.00519.79
7.4.290.0160.00519.84
7.4.280.0150.00619.44
7.4.270.0150.00518.93
7.4.260.0150.00519.48
7.4.250.0150.00518.68
7.4.240.0150.00518.60
7.4.230.0140.00518.43
7.4.220.0130.00518.39
7.4.210.0130.00418.38
7.4.200.0130.00518.40
7.4.190.0130.00418.46
7.4.180.0130.00518.46
7.4.160.0130.00518.44
7.4.150.0130.00518.38
7.4.140.0120.00518.36
7.4.130.0120.00518.29
7.4.120.0130.00518.30
7.4.110.0130.00518.30
7.4.100.0130.00518.39
7.4.90.0130.00518.34
7.4.80.0130.00518.31
7.4.70.0130.00518.29
7.4.60.0120.00518.34
7.4.50.0120.00518.24
7.4.40.0130.00518.22
7.4.30.0120.00518.21
7.4.20.0130.00518.29
7.4.10.0120.00518.28
7.4.00.0120.00518.32
7.3.330.0150.00519.46
7.3.320.0160.00518.58
7.3.310.0150.00518.43
7.3.300.0140.00518.27
7.3.290.0140.00418.22
7.3.280.0140.00518.26
7.3.270.0130.00518.25
7.3.260.0140.00418.23
7.3.250.0140.00518.25
7.3.240.0140.00518.24
7.3.230.0140.00518.24
7.3.220.0140.00418.19
7.3.210.0140.00518.21
7.3.200.0140.00418.20
7.3.190.0140.00518.19
7.3.180.0140.00518.19
7.3.170.0140.00418.21
7.3.160.0140.00518.21
7.3.150.0140.00518.20
7.3.140.0140.00518.20
7.3.130.0140.00518.20
7.3.120.0140.00418.20
7.3.110.0140.00518.16
7.3.100.0140.00418.15
7.3.90.0140.00418.40
7.3.80.0140.00418.19
7.3.70.0140.00518.25
7.3.60.0140.00418.28
7.3.50.0140.00518.29
7.3.40.0140.00518.29
7.3.30.0130.00518.29
7.3.20.0150.00519.32
7.3.10.0140.00519.27
7.3.00.0150.00519.26

preferences:
102.13 ms | 475 KiB | 5 Q