3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo ((new \DateTime("first mon of June 2020"))->format('Y-m-d')) . PHP_EOL; echo ((new \DateTime("Monday June 2020"))->format('Y-m-d')) . PHP_EOL;

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)
8.5.70.0100.00817.07
8.5.60.0050.00216.89
8.5.50.0100.00716.99
8.5.30.0090.00917.31
8.5.20.0110.00720.11
8.5.10.0120.00716.65
8.5.00.0120.01019.97
8.4.220.0080.01119.66
8.4.210.0140.00619.73
8.4.180.0120.01019.84
8.4.170.0150.00720.50
8.4.160.0100.01221.55
8.4.150.0100.00316.98
8.4.140.0150.00617.77
8.4.130.0080.00117.92
8.4.120.0140.00422.41
8.4.110.0290.00618.99
8.4.100.0260.00617.80
8.4.90.0320.00617.91
8.4.80.0310.00817.85
8.4.70.0330.00918.19
8.4.60.0260.01117.84
8.4.50.0300.00617.96
8.4.40.0290.00917.62
8.4.30.0310.00718.21
8.4.20.0290.00717.73
8.4.10.0270.00718.22
8.3.310.0090.01118.47
8.3.300.0120.00820.75
8.3.290.0100.01022.43
8.3.280.0140.00718.53
8.3.270.0130.00816.76
8.3.260.0130.00716.56
8.3.250.0090.00918.83
8.3.240.0220.00717.03
8.3.230.0270.00516.57
8.3.220.0200.00917.01
8.3.210.0280.00716.51
8.3.200.0260.00716.51
8.3.190.0230.00616.73
8.3.180.0210.00716.84
8.3.170.0190.00717.51
8.3.160.0230.00616.80
8.3.150.0230.00717.19
8.3.140.0280.00617.04
8.3.130.0210.00416.54
8.3.120.0210.00517.41
8.3.110.0270.00617.57
8.3.100.0250.00618.43
8.3.90.0200.00819.10
8.3.80.0260.00917.28
8.3.70.0230.00917.00
8.3.60.0240.00817.00
8.3.50.0210.00519.30
8.3.40.0240.00818.60
8.3.30.0220.00317.77
8.3.20.0170.00419.11
8.3.10.0160.00519.35
8.3.00.0220.00419.72
8.2.310.0130.00618.27
8.2.300.0120.00820.04
8.2.290.0210.00817.65
8.2.280.0240.00817.13
8.2.270.0210.00716.78
8.2.260.0220.00516.77
8.2.250.0230.00717.10
8.2.240.0210.00617.13
8.2.230.0230.00618.02
8.2.220.0230.00521.87
8.2.210.0210.00819.06
8.2.200.0220.00616.49
8.2.190.0200.00616.57
8.2.180.0250.00618.86
8.2.170.0260.00717.95
8.2.160.0190.00719.04
8.2.150.0130.00519.70
8.2.140.0210.00219.30
8.2.130.0180.00519.76
8.2.120.0150.00519.86
8.2.110.0140.00418.82
8.2.100.0190.00617.78
8.2.90.0190.00317.60
8.2.80.0140.00517.99
8.2.70.0210.00417.70
8.2.60.0180.00717.58
8.2.50.0230.00717.65
8.2.40.0220.00817.82
8.2.30.0210.00617.70
8.2.20.0180.00717.73
8.2.10.0160.00617.99
8.2.00.0180.00717.85
8.1.340.0110.00917.69
8.1.330.0190.00617.55
8.1.320.0200.00516.27
8.1.310.0220.00416.24
8.1.300.0180.00416.70
8.1.290.0200.00716.78
8.1.280.0210.00718.56
8.1.270.0200.00619.10
8.1.260.0210.00620.10
8.1.250.0200.00720.17
8.1.240.0220.00618.30
8.1.230.0230.00618.20
8.1.220.0190.00417.50
8.1.210.0220.00617.75
8.1.200.0180.00617.44
8.1.190.0220.00517.31
8.1.180.0220.00517.64
8.1.170.0200.00517.69
8.1.160.0120.00517.71
8.1.150.0210.00617.79
8.1.140.0200.00617.78
8.1.130.0180.00618.20
8.1.120.0210.00617.56
8.1.110.0190.00417.54
8.1.100.0170.00617.46
8.1.90.0220.00617.40
8.1.80.0230.00517.52
8.1.70.0210.00617.48
8.1.60.0230.00617.50
8.1.50.0220.00517.42
8.1.40.0220.00617.60
8.1.30.0220.00517.58
8.1.20.0240.00817.60
8.1.10.0230.00617.58
8.1.00.0220.00917.95
8.0.300.0200.00617.81
8.0.290.0200.00616.87
8.0.280.0200.00617.30
8.0.270.0170.00517.20
8.0.260.0140.00617.64
8.0.250.0230.00616.98
8.0.240.0170.00616.96
8.0.230.0210.00516.93
8.0.220.0220.00516.86
8.0.210.0220.00716.75
8.0.200.0220.00516.95
8.0.190.0200.00616.92
8.0.180.0220.00516.85
8.0.170.0210.00716.78
8.0.160.0190.00616.88
8.0.150.0180.00616.78
8.0.140.0220.00516.84
8.0.130.0190.00315.97
8.0.120.0170.00416.87
8.0.110.0180.00416.89
8.0.100.0160.00616.76
8.0.90.0180.00416.82
8.0.80.0170.00616.86
8.0.70.0170.00516.76
8.0.60.0230.00616.85
8.0.50.0200.00716.78
8.0.30.0220.00616.73
8.0.20.0240.00616.91
8.0.10.0210.00616.94
8.0.00.0230.00816.91
7.4.330.0220.00616.12
7.4.320.0220.00516.37
7.4.300.0180.00716.41
7.4.290.0210.00616.38
7.4.280.0220.00716.32
7.4.270.0220.00716.35
7.4.260.0230.00615.56
7.4.250.0230.00616.31
7.4.240.0240.00516.35
7.4.230.0230.00616.49
7.4.220.0210.00616.44
7.4.210.0180.00816.43
7.4.200.0210.00716.44
7.4.190.0280.00816.41
7.4.180.0310.00816.40
7.4.160.0290.00916.24
7.4.150.0290.00716.34
7.4.140.0280.00616.31
7.4.130.0210.00716.40
7.4.120.0270.00716.30
7.4.110.0250.00716.34
7.4.100.0230.00816.37
7.4.90.0260.00416.37
7.4.80.0200.00816.36
7.4.70.0180.00816.39
7.4.60.0250.00516.37
7.4.50.0200.00716.28
7.4.40.0240.00716.20
7.4.30.0260.00816.30
7.4.20.0260.00716.30
7.4.10.0250.00716.38
7.4.00.0270.00616.40
7.3.330.0240.00516.14
7.3.320.0240.00615.52
7.3.310.0230.00716.18
7.3.300.0170.00516.18
7.3.290.0120.00716.25
7.3.280.0220.00616.02
7.3.270.0230.00516.36
7.3.260.0200.00816.27
7.3.250.0220.00616.34
7.3.240.0210.00916.26
7.3.230.0200.00616.16
7.3.220.0210.00516.00
7.3.210.0240.00716.22
7.3.200.0230.00516.48
7.3.190.0190.00516.22
7.3.180.0200.00816.33
7.3.170.0120.00716.63
7.3.160.0210.00616.17
7.3.150.0190.00716.36
7.3.140.0270.00716.27
7.3.130.0210.00616.35
7.3.120.0210.00716.29
7.3.110.0220.00516.26
7.3.100.0220.00516.17
7.3.90.0240.00716.58
7.3.80.0230.00816.21
7.3.70.0260.00816.36
7.3.60.0260.00816.36
7.3.50.0240.00916.40
7.3.40.0260.00616.21
7.3.30.0230.00716.26
7.3.20.0290.00717.68
7.3.10.0260.00717.56
7.3.00.0260.00817.72
7.2.340.0220.00716.32
7.2.330.0240.00716.51
7.2.320.0250.00716.37
7.2.310.0240.00916.30
7.2.300.0240.00816.42
7.2.290.0220.00916.37
7.2.280.0260.00816.42
7.2.270.0230.00916.37
7.2.260.0250.00816.34
7.2.250.0220.01016.31
7.2.240.0240.00816.46
7.2.230.0280.00616.28
7.2.220.0250.00816.37
7.2.210.0230.00816.33
7.2.200.0240.00816.55
7.2.190.0240.00816.34
7.2.180.0230.00916.40
7.2.170.0250.00616.50
7.2.160.0230.00616.46
7.2.150.0260.00717.87
7.2.140.0210.00717.77
7.2.130.0200.00517.96
7.2.120.0180.00818.00
7.2.110.0200.00917.92
7.2.100.0190.00817.72
7.2.90.0200.00817.97
7.2.80.0220.00717.89
7.2.70.0240.00717.95
7.2.60.0210.00418.04
7.2.50.0230.00917.88
7.2.40.0260.00717.94
7.2.30.0250.00617.91
7.2.20.0260.00917.94
7.2.10.0280.00717.85
7.2.00.0300.00517.93

preferences:
52.81 ms | 1555 KiB | 5 Q