3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @param DateTime $date * @return bool */ function firstDayOfMonth(\DateTime $date) { return (int)$date->format('d') <= 7 && $date->format('l') === 'Monday'; } $day = new \DateTime('2013/9/2'); var_dump(firstDayOfMonth($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)
8.3.60.0150.00618.68
8.3.50.0240.00722.02
8.3.40.0030.01518.95
8.3.30.0090.00619.05
8.3.20.0040.00420.30
8.3.10.0000.00823.51
8.3.00.0050.00322.43
8.2.180.0160.00616.61
8.2.170.0150.00422.96
8.2.160.0140.00021.07
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0040.01526.16
8.2.120.0080.00019.61
8.2.110.0030.00722.26
8.2.100.0040.00817.84
8.2.90.0030.00519.34
8.2.80.0000.00818.05
8.2.70.0080.00017.75
8.2.60.0050.00317.93
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00818.06
8.2.20.0040.00417.78
8.2.10.0030.00519.70
8.2.00.0040.00417.74
8.1.280.0180.00025.92
8.1.270.0030.00623.91
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00923.94
8.1.230.0080.00419.00
8.1.220.0000.00817.77
8.1.210.0080.00018.77
8.1.200.0040.00417.48
8.1.190.0030.00517.29
8.1.180.0000.00818.10
8.1.170.0000.00818.77
8.1.160.0000.00721.96
8.1.150.0000.00818.73
8.1.140.0040.00417.51
8.1.130.0000.00817.88
8.1.120.0070.00017.64
8.1.110.0040.00417.65
8.1.100.0030.00517.70
8.1.90.0000.00817.63
8.1.80.0030.00317.54
8.1.70.0070.00017.66
8.1.60.0050.00517.68
8.1.50.0080.00017.63
8.1.40.0050.00317.63
8.1.30.0000.00817.71
8.1.20.0090.00017.75
8.1.10.0040.00417.68
8.1.00.0000.00817.58
8.0.300.0070.00018.77
8.0.290.0000.00817.28
8.0.280.0000.00818.53
8.0.270.0000.00717.21
8.0.260.0030.00617.07
8.0.250.0040.00417.09
8.0.240.0000.00717.09
8.0.230.0030.00717.09
8.0.220.0070.00017.03
8.0.210.0000.00717.11
8.0.200.0000.00617.25
8.0.190.0040.00417.21
8.0.180.0030.00617.03
8.0.170.0020.00517.06
8.0.160.0000.00717.11
8.0.150.0000.00716.98
8.0.140.0030.00517.01
8.0.130.0070.00013.54
8.0.120.0000.00717.06
8.0.110.0020.00517.13
8.0.100.0070.00017.20
8.0.90.0040.00417.20
8.0.80.0120.00617.20
8.0.70.0040.00416.98
8.0.60.0040.00417.08
8.0.50.0040.00417.01
8.0.30.0150.00617.33
8.0.20.0120.00717.46
8.0.10.0040.00417.18
8.0.00.0100.01017.08
7.4.330.0020.00215.03
7.4.320.0000.00616.69
7.4.300.0000.00616.78
7.4.290.0030.00316.71
7.4.280.0040.00416.60
7.4.270.0000.00716.72
7.4.260.0000.00716.71
7.4.250.0040.00416.57
7.4.240.0030.00316.72
7.4.230.0000.00716.62
7.4.220.0060.01216.59
7.4.210.0080.00716.71
7.4.200.0040.00416.54
7.4.190.0030.00416.50
7.4.160.0070.01016.60
7.4.150.0070.01117.40
7.4.140.0110.01017.86
7.4.130.0110.00616.70
7.4.120.0140.00616.56
7.4.110.0090.00916.50
7.4.100.0100.01316.64
7.4.90.0130.00916.86
7.4.80.0130.00616.64
7.4.70.0070.01516.72
7.4.60.0070.01016.60
7.4.50.0000.00816.77
7.4.40.0060.00622.77
7.4.30.0100.00716.79
7.4.00.0060.01115.02
7.3.330.0060.00013.23
7.3.320.0030.00313.21
7.3.310.0050.00216.38
7.3.300.0000.00716.39
7.3.290.0070.01016.36
7.3.280.0110.00616.39
7.3.270.0030.01617.40
7.3.260.0090.00916.64
7.3.250.0110.00616.60
7.3.240.0100.00716.69
7.3.230.0100.00716.54
7.3.210.0030.01716.61
7.3.200.0150.00719.39
7.3.190.0090.01216.73
7.3.180.0070.01016.41
7.3.170.0120.00916.53
7.3.160.0190.00416.51
7.3.120.0100.00814.81
7.3.110.0060.01215.04
7.3.100.0100.00714.86
7.3.90.0030.00914.83
7.3.80.0090.00615.24
7.3.70.0030.01415.04
7.3.60.0060.00914.95
7.3.50.0060.01014.96
7.3.40.0080.00314.89
7.3.30.0000.00915.00
7.3.20.0030.01016.55
7.3.10.0100.00716.53
7.3.00.0100.01216.68
7.2.330.0110.01316.72
7.2.320.0060.01316.70
7.2.310.0090.00916.87
7.2.300.0120.00416.59
7.2.290.0130.00316.79
7.2.250.0150.00615.24
7.2.240.0090.01215.06
7.2.230.0030.01015.13
7.2.220.0000.01215.16
7.2.210.0030.01415.43
7.2.200.0040.01114.99
7.2.190.0090.00314.97
7.2.180.0030.01015.13
7.2.170.0040.01115.29
7.2.130.0180.00916.73
7.2.120.0170.00716.57
7.2.110.0230.00516.22
7.2.100.0110.00716.42
7.2.90.0110.01516.66
7.2.80.0070.01416.77
7.2.70.0220.00016.55
7.2.60.0190.00916.43
7.2.50.0030.01316.76
7.2.40.0120.00916.55
7.2.30.0210.00616.68
7.2.20.0210.00016.46
7.2.10.0150.00517.07
7.2.00.0080.00618.18
7.1.330.0030.00915.69
7.1.320.0060.00915.60
7.1.310.0100.00315.78
7.1.300.0030.00815.77
7.1.290.0100.00616.11
7.1.280.0090.00615.79
7.1.270.0000.01315.88
7.1.260.0090.00315.90
7.1.250.0200.00515.32
7.1.100.0030.01018.49
7.1.70.0030.00617.28
7.1.60.0070.01719.24
7.1.50.0260.00735.06
7.1.00.0100.07022.34
7.0.200.0090.00616.73
7.0.140.0000.07721.97
7.0.60.0270.06020.04
7.0.50.0070.03717.87
7.0.40.0070.06320.20
7.0.30.0330.07720.10
7.0.20.0270.05320.30
7.0.10.0130.09320.30
7.0.00.0100.05320.22
5.6.280.0030.07020.82
5.6.210.0070.08320.71
5.6.200.0070.05718.16
5.6.190.0070.04720.62
5.6.180.3670.04020.52
5.6.170.0300.07320.62
5.6.160.0130.08020.45
5.6.150.0070.03718.22
5.6.140.0100.05318.18
5.6.130.0100.08318.18
5.6.120.0200.06720.99
5.6.110.0100.04320.96
5.6.100.0100.07320.89
5.6.90.0200.07320.97
5.6.80.0100.04320.41
5.6.70.4030.04020.51
5.5.350.0070.07720.32
5.5.340.0030.05018.05
5.5.330.0070.04720.41
5.5.320.0300.05720.31
5.5.310.0200.05720.24
5.5.300.0030.07717.98
5.5.290.0070.04718.09
5.5.280.0030.04020.89
5.5.270.0070.06020.80
5.5.260.0070.08020.87
5.5.250.0100.07020.70
5.5.240.0100.06320.14
5.4.450.0230.04319.33
5.4.440.0530.04019.57
5.4.430.0430.04019.54
5.4.420.0170.04319.47
5.4.410.0130.05018.81
5.4.400.0200.04318.89
5.4.390.0070.07018.51
5.4.380.0070.06318.70
5.4.370.0100.05318.84
5.4.360.0270.03718.77
5.4.350.0100.05718.85
5.4.340.0070.05718.56
5.4.320.0070.03612.50
5.4.310.0070.03712.50
5.4.300.0050.04212.50
5.4.290.0040.04012.50
5.4.280.0090.03112.39
5.4.270.0080.03512.40
5.4.260.0070.03712.40
5.4.250.0060.04812.40
5.4.240.0100.03512.40
5.4.230.0040.03912.39
5.4.220.0050.03712.39
5.4.210.0100.04712.39
5.4.200.0040.03912.39
5.4.190.0160.05112.39
5.4.180.0170.04512.39
5.4.170.0150.04412.40
5.4.160.0190.04112.40
5.4.150.0190.04412.39
5.4.140.0150.04612.08
5.4.130.0160.04312.07
5.4.120.0180.04012.02
5.4.110.0260.06512.02
5.4.100.0110.04712.02
5.4.90.0140.04512.02
5.4.80.0200.04412.02
5.4.70.0210.03612.02
5.4.60.0250.06312.02
5.4.50.0140.04412.01
5.4.40.0210.03912.00
5.4.30.0170.04212.00
5.4.20.0150.04212.00
5.4.10.0210.06612.00
5.4.00.0160.04311.49
5.3.290.0060.03812.80
5.3.280.0050.03812.71
5.3.270.0180.04312.72
5.3.260.0170.04412.72
5.3.250.0160.04412.72
5.3.240.0160.04612.72
5.3.230.0170.04412.71
5.3.220.0180.04212.68
5.3.210.0170.04412.68
5.3.200.0160.04412.68
5.3.190.0220.03912.68
5.3.180.0300.09012.68
5.3.170.0160.04712.67
5.3.160.0150.04412.67
5.3.150.0190.07112.67
5.3.140.0150.04812.66
5.3.130.0180.04212.65
5.3.120.0150.04512.66
5.3.110.0150.04512.66
5.3.100.0200.04212.14
5.3.90.0160.04412.12
5.3.80.0180.04212.10
5.3.70.0160.04412.10
5.3.60.0240.06712.09
5.3.50.0200.03912.03
5.3.40.0160.04412.04
5.3.30.0160.04312.00
5.3.20.0260.09311.78
5.3.10.0160.04011.74
5.3.00.0180.07011.72
5.2.170.0160.0329.22
5.2.160.0140.0339.21
5.2.150.0140.0359.21
5.2.140.0150.0329.21
5.2.130.0110.0359.17
5.2.120.0210.0569.18
5.2.110.0170.0339.18
5.2.100.0160.0319.19
5.2.90.0260.0519.19
5.2.80.0120.0349.18
5.2.70.0120.0369.18
5.2.60.0150.0359.13
5.2.50.0190.0379.09
5.2.40.0120.0359.07
5.2.30.0200.0889.05
5.2.20.0110.0389.05
5.2.10.0140.0338.95
5.2.00.0130.0328.80
5.1.60.0120.0288.08
5.1.50.0100.0328.07
5.1.40.0120.0288.07
5.1.30.0120.0318.41
5.1.20.0260.0498.45
5.1.10.0110.0338.15
5.1.00.0070.0348.15
5.0.50.0110.0276.64
5.0.40.0130.0216.48
5.0.30.0090.0366.31
5.0.20.0080.0246.28
5.0.10.0150.0486.25
5.0.00.0090.0386.24
4.4.90.0100.0154.78
4.4.80.0120.0164.75
4.4.70.0080.0184.75
4.4.60.0080.0174.76
4.4.50.0080.0174.77
4.4.40.0070.0284.71
4.4.30.0070.0204.76
4.4.20.0080.0174.84
4.4.10.0170.0394.85
4.4.00.0080.0294.76
4.3.110.0110.0144.67
4.3.100.0060.0194.66
4.3.90.0080.0164.63
4.3.80.0180.0774.58
4.3.70.0100.0144.63
4.3.60.0080.0174.63
4.3.50.0090.0184.63
4.3.40.0080.0284.54
4.3.30.0040.0203.30
4.3.20.0060.0173.29
4.3.10.0040.0193.24
4.3.00.0030.01713.22

preferences:
58.59 ms | 401 KiB | 5 Q