3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * Check if a given date is the first Monday of the month * * @param \DateTime $date * @return bool */ function isFirstMondayayOfMonth(\DateTime $date) { return (int)$date->format('d') <= 7 && $date->format('l') === 'Monday'; } $day = new \DateTime('2014/3/10'); var_dump(isFirstMondayayOfMonth($day)); $day = new \DateTime('2014/3/3'); var_dump(isFirstMondayayOfMonth($day));

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)
8.3.40.0150.00019.09
8.3.30.0110.00719.00
8.3.20.0040.00420.25
8.3.10.0080.00022.27
8.3.00.0040.00422.46
8.2.170.0090.00622.96
8.2.160.0070.00719.33
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0030.00626.16
8.2.120.0000.00719.89
8.2.110.0090.00020.89
8.2.100.0080.00417.84
8.2.90.0060.00319.09
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0030.00618.05
8.2.50.0000.00818.10
8.2.40.0000.00918.05
8.2.30.0080.00018.17
8.2.20.0070.00017.84
8.2.10.0040.00417.75
8.2.00.0100.00017.74
8.1.270.0050.00322.06
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.81
8.1.230.0070.00320.30
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0000.00817.48
8.1.190.0000.00817.60
8.1.180.0040.00418.10
8.1.170.0050.00318.84
8.1.160.0040.00422.13
8.1.150.0040.00418.74
8.1.140.0040.00417.55
8.1.130.0030.00317.88
8.1.120.0070.00017.67
8.1.110.0000.00717.65
8.1.100.0080.00017.70
8.1.90.0020.00517.61
8.1.80.0050.00217.54
8.1.70.0050.00217.63
8.1.60.0040.00417.69
8.1.50.0060.00317.65
8.1.40.0040.00417.59
8.1.30.0000.00717.73
8.1.20.0040.00417.68
8.1.10.0000.00817.71
8.1.00.0040.00417.68
8.0.300.0040.00418.77
8.0.290.0060.00317.13
8.0.280.0000.00718.39
8.0.270.0070.00017.34
8.0.260.0030.00317.00
8.0.250.0030.00317.25
8.0.240.0030.00617.17
8.0.230.0070.00017.26
8.0.220.0000.00717.12
8.0.210.0030.00317.13
8.0.200.0040.00417.21
8.0.190.0040.00417.11
8.0.180.0070.00017.18
8.0.170.0040.00417.18
8.0.160.0070.00017.02
8.0.150.0000.00717.08
8.0.140.0030.00517.13
8.0.130.0060.00013.55
8.0.120.0000.00817.14
8.0.110.0040.00417.08
8.0.100.0000.00717.07
8.0.90.0050.00317.20
8.0.80.0090.00617.04
8.0.70.0000.00717.22
8.0.60.0050.00317.22
8.0.50.0040.00417.17
8.0.30.0110.00917.35
8.0.20.0090.01017.42
8.0.10.0000.00717.23
8.0.00.0130.00716.88
7.4.330.0000.00515.05
7.4.320.0030.00316.74
7.4.300.0030.00316.69
7.4.290.0030.00316.66
7.4.280.0000.00716.76
7.4.270.0040.00416.68
7.4.260.0000.00816.52
7.4.250.0000.00816.57
7.4.240.0070.00016.73
7.4.230.0040.00416.76
7.4.220.0060.01016.68
7.4.210.0110.00316.63
7.4.200.0000.00716.72
7.4.190.0000.00716.88
7.4.160.0120.00916.60
7.4.150.0130.00617.40
7.4.140.0100.01317.86
7.4.130.0110.00916.77
7.4.120.0140.00216.81
7.4.110.0110.00716.78
7.4.100.0070.01316.71
7.4.90.0100.00716.62
7.4.80.0030.01719.39
7.4.70.0060.01016.57
7.4.60.0110.00616.66
7.4.50.0040.00416.84
7.4.40.0030.01022.77
7.4.30.0110.00616.68
7.4.00.0040.00815.36
7.3.330.0000.00513.34
7.3.320.0050.00013.42
7.3.310.0040.00416.43
7.3.300.0000.00716.38
7.3.290.0070.00716.33
7.3.280.0080.00816.34
7.3.270.0150.00617.40
7.3.260.0170.00316.60
7.3.250.0070.00916.55
7.3.240.0060.01216.54
7.3.230.0170.00016.45
7.3.210.0150.00316.55
7.3.200.0070.01019.39
7.3.190.0110.01116.57
7.3.180.0100.00716.58
7.3.170.0140.00316.51
7.3.160.0060.00916.80
7.3.120.0080.00815.24
7.3.10.0030.01416.41
7.3.00.0140.00016.61
7.2.330.0060.01216.77
7.2.320.0030.01416.90
7.2.310.0030.01616.73
7.2.300.0060.01216.99
7.2.290.0030.01316.76
7.2.130.0100.00716.39
7.2.120.0140.00316.50
7.2.110.0140.00316.41
7.2.100.0130.00416.75
7.2.90.0110.00717.14
7.2.80.0080.00716.46
7.2.70.0140.00316.63
7.2.60.0160.00116.87
7.2.50.0120.01016.64
7.2.40.0140.00516.74
7.2.30.0090.00616.56
7.2.20.0100.00716.77
7.2.10.0130.00316.46
7.2.00.0070.01316.81
7.1.250.0170.00415.46
7.1.200.0050.00515.81
7.1.70.0030.00517.34
7.1.60.0100.01019.82
7.1.50.0060.00616.83
7.1.00.0030.04022.36
7.0.200.0000.00816.76
7.0.140.0100.07022.15
7.0.60.0030.09020.04
7.0.50.0130.03717.86
7.0.40.0030.04320.23
7.0.30.0230.05720.09
7.0.20.0300.06020.09
7.0.10.0070.04320.33
7.0.00.0130.07720.25
5.6.280.0130.06321.00
5.6.210.0030.09020.72
5.6.200.0130.07318.16
5.6.190.0070.04020.52
5.6.180.0100.04020.57
5.6.170.0230.06720.51
5.6.160.0030.05020.57
5.6.150.0000.04718.21
5.6.140.0030.03718.18
5.6.130.0030.05718.18
5.6.120.0070.05720.99
5.6.110.0030.08720.98
5.6.100.0170.07020.89
5.6.90.0000.09321.01
5.6.80.0070.08320.40
5.6.70.4870.04720.35
5.5.350.0370.06320.52
5.5.340.0200.06717.96
5.5.330.0000.05720.30
5.5.320.0270.04020.36
5.5.310.0270.07020.41
5.5.300.0070.08017.98
5.5.290.0100.06317.92
5.5.280.0070.07720.88
5.5.270.0100.08320.65
5.5.260.0100.08320.76
5.5.250.0070.08720.55
5.5.240.4270.04020.23
5.4.450.0370.05719.59
5.4.440.0370.05319.61
5.4.430.0100.06019.51
5.4.420.0270.06019.20
5.4.410.0300.06719.21
5.4.400.0400.04718.67
5.4.390.0370.05718.56
5.4.380.0230.06718.75
5.4.370.0100.05718.68
5.4.360.0130.05318.51
5.4.350.0070.06018.64
5.4.340.0100.05718.76
5.4.320.0050.03712.50
5.4.310.0070.03612.50
5.4.300.0070.04012.51
5.4.290.0060.03712.50
5.4.280.0030.03812.39
5.4.270.0060.03612.40
5.4.260.0200.05718.96
5.4.250.0030.08319.09
5.4.240.0070.05718.90
5.4.230.0130.07318.76
5.4.220.0130.07318.98
5.4.210.0170.06318.94
5.4.200.0100.07319.00
5.4.190.0070.07018.96
5.4.180.0100.05018.94
5.4.170.0100.05719.09
5.4.160.0130.07318.93
5.4.150.0130.07718.94
5.4.140.0070.06016.61
5.4.130.0000.08016.55
5.4.120.0170.04716.48
5.4.110.0070.06016.57
5.4.100.0070.05316.48
5.4.90.0100.04716.45
5.4.80.0030.05716.36
5.4.70.0130.06716.47
5.4.60.0130.06316.33
5.4.50.0100.04316.54
5.4.40.0100.04716.57
5.4.30.0070.05316.52
5.4.20.0070.07016.33
5.4.10.0130.04716.45
5.4.00.0000.06015.84
5.3.290.0100.04412.80
5.3.280.0030.05314.59
5.3.270.0230.06014.74
5.3.260.0030.06014.60
5.3.250.0100.07314.59
5.3.240.0030.06014.44
5.3.230.0070.07314.50
5.3.220.0070.05714.65
5.3.210.0130.06014.55
5.3.200.0170.07014.67
5.3.190.0100.05014.65
5.3.180.0230.04314.65
5.3.170.0070.05314.55
5.3.160.0070.07014.49
5.3.150.0070.07714.66
5.3.140.0070.07314.54
5.3.130.0070.07714.56
5.3.120.0100.04714.72
5.3.110.0070.05314.57
5.3.100.0070.05314.11
5.3.90.0130.04314.17
5.3.80.0100.05314.00
5.3.70.0130.05014.18
5.3.60.0100.04714.01
5.3.50.0100.06713.96
5.3.40.0030.05313.95
5.3.30.0100.04313.99
5.3.20.0170.04713.76
5.3.10.0000.07013.63
5.3.00.0100.06013.73
5.2.170.0100.05711.30
5.2.160.0200.03711.04
5.2.150.0030.05310.97
5.2.140.0130.04011.30
5.2.130.0070.04011.00
5.2.120.0030.05711.16
5.2.110.0030.04311.05
5.2.100.0100.03711.17
5.2.90.0030.04311.05
5.2.80.0070.04711.27
5.2.70.0130.04011.18
5.2.60.0170.04711.04
5.2.50.0100.05711.08
5.2.40.0100.04311.08
5.2.30.0170.05011.06
5.2.20.0200.04011.04
5.2.10.0070.03710.94
5.2.00.0100.04010.81
5.1.60.0030.0539.84
5.1.50.0030.0409.95
5.1.40.0070.03710.05
5.1.30.0070.05310.49
5.1.20.0100.03310.45
5.1.10.0100.03010.11
5.1.00.0030.03310.32
5.0.50.0070.0378.60
5.0.40.0100.0238.65
5.0.30.0030.0478.29
5.0.20.0000.0338.11
5.0.10.0070.0308.25
5.0.00.0000.0438.23
4.4.90.0030.0236.47
4.4.80.0030.0236.47
4.4.70.0030.0306.47
4.4.60.0070.0236.47
4.4.50.0100.0236.47
4.4.40.0030.0406.47
4.4.30.0030.0206.47
4.4.20.0070.0206.47
4.4.10.0030.0206.47
4.4.00.0000.0376.47
4.3.110.0100.0176.47
4.3.100.0030.0306.47
4.3.90.0030.0206.47
4.3.80.0030.0336.47
4.3.70.0000.0336.47
4.3.60.0100.0136.47
4.3.50.0070.0236.47
4.3.40.0030.0336.47
4.3.30.0000.0336.47
4.3.20.0070.0176.47
4.3.10.0070.0276.47
4.3.00.0000.0237.07

preferences:
34.44 ms | 400 KiB | 5 Q