3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nbMonth = 3; $now = new \DateTime('2017-01-01 11:55:00'); $datePeriodStart = $now->sub(new \DateInterval('P'.$nbMonth.'M')); echo $datePeriodStart->format('Y-m-d H:i:s') . "\n"; $datePeriodStart->setDate($datePeriodStart->format('Y'), $datePeriodStart->format('n'), 1); $datePeriodStart->setTime(0,0); echo $datePeriodStart->format('Y-m-d H:i:s') . "\n";

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)
8.3.60.0090.00616.73
8.3.50.0130.00318.05
8.3.40.0090.00918.70
8.3.30.0100.00718.84
8.3.20.0080.00021.95
8.3.10.0080.00023.51
8.3.00.0080.00019.80
8.2.180.0040.01118.29
8.2.170.0100.00322.96
8.2.160.0130.00319.34
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00422.32
8.2.120.0000.00726.35
8.2.110.0060.00322.21
8.2.100.0090.00318.03
8.2.90.0000.00819.40
8.2.80.0040.00418.00
8.2.70.0030.00617.88
8.2.60.0030.00617.93
8.2.50.0030.00518.10
8.2.40.0050.00220.54
8.2.30.0050.00319.36
8.2.20.0110.00018.18
8.2.10.0050.00318.11
8.2.00.0040.00418.22
8.1.280.0090.00925.92
8.1.270.0040.00420.74
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00324.03
8.1.230.0040.00717.83
8.1.220.0040.00417.80
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0040.00417.36
8.1.180.0000.00918.10
8.1.170.0040.00418.74
8.1.160.0050.00319.02
8.1.150.0040.00418.91
8.1.140.0040.00417.64
8.1.130.0030.00318.94
8.1.120.0030.00317.57
8.1.110.0000.00817.69
8.1.100.0000.00717.70
8.1.90.0030.00617.68
8.1.80.0040.00417.66
8.1.70.0000.00717.55
8.1.60.0040.00417.74
8.1.50.0040.00417.68
8.1.40.0040.00817.53
8.1.30.0060.00317.80
8.1.20.0050.00317.70
8.1.10.0020.00517.75
8.1.00.0000.00817.66
8.0.300.0040.00418.77
8.0.290.0030.00616.88
8.0.280.0080.00018.37
8.0.270.0050.00217.29
8.0.260.0040.00417.24
8.0.250.0000.00717.18
8.0.240.0030.00317.16
8.0.230.0070.00017.04
8.0.220.0030.00317.11
8.0.210.0000.00817.13
8.0.200.0030.00317.13
8.0.190.0060.00317.05
8.0.180.0000.00817.07
8.0.170.0060.00317.01
8.0.160.0040.00417.04
8.0.150.0000.00716.92
8.0.140.0050.00317.06
8.0.130.0000.00513.39
8.0.120.0060.00316.96
8.0.110.0020.00517.10
8.0.100.0000.00717.11
8.0.90.0080.00017.10
8.0.80.0040.01117.13
8.0.70.0050.00216.88
8.0.60.0080.00016.83
8.0.50.0040.00416.80
8.0.30.0130.00517.29
8.0.20.0120.00917.43
8.0.10.0000.00716.97
8.0.00.0130.00417.01
7.4.330.0000.00515.55
7.4.320.0060.00016.50
7.4.300.0070.00016.66
7.4.290.0000.00716.49
7.4.280.0000.00716.58
7.4.270.0030.00616.71
7.4.260.0030.00316.65
7.4.250.0000.00716.63
7.4.240.0070.00016.53
7.4.230.0030.00316.41
7.4.220.0140.00616.71
7.4.210.0060.00816.66
7.4.200.0070.00016.47
7.4.160.0100.00716.53
7.4.150.0070.01017.40
7.4.140.0150.00317.86
7.4.130.0040.01516.66
7.4.120.0110.01116.54
7.4.110.0090.00916.69
7.4.100.0130.00416.68
7.4.90.0090.00816.58
7.4.80.0070.01019.39
7.4.70.0110.00716.69
7.4.60.0110.00616.56
7.4.50.0110.00216.66
7.4.40.0100.00716.40
7.4.30.0130.00916.63
7.4.00.0060.00814.95
7.3.330.0030.00313.22
7.3.320.0030.00313.14
7.3.310.0030.00316.46
7.3.300.0000.00716.42
7.3.290.0030.00316.44
7.3.280.0070.01016.38
7.3.270.0110.00617.40
7.3.260.0150.00516.55
7.3.250.0090.00816.52
7.3.240.0080.00816.51
7.3.230.0360.03116.35
7.3.210.0100.00716.57
7.3.200.0070.01016.68
7.3.190.0040.01216.61
7.3.180.0030.01416.35
7.3.170.0130.00716.57
7.3.160.0060.01016.48
7.3.120.0070.01315.05
7.3.110.0090.00914.88
7.3.100.0040.01114.72
7.3.90.0070.00714.87
7.3.80.0040.01514.87
7.3.70.0000.01214.71
7.3.60.0040.01114.79
7.3.50.0130.00315.00
7.3.40.0120.00415.01
7.3.30.0000.01514.95
7.3.20.0000.00816.64
7.3.10.0050.00516.76
7.3.00.0060.00716.78
7.2.330.0180.00016.77
7.2.320.0060.01116.57
7.2.310.0140.00416.91
7.2.300.0130.00916.76
7.2.290.0000.01616.68
7.2.250.0090.00615.06
7.2.240.0060.01315.04
7.2.230.0100.00315.15
7.2.220.0130.00315.20
7.2.210.0120.00615.26
7.2.200.0090.00315.25
7.2.190.0080.00415.25
7.2.180.0060.00315.09
7.2.170.0080.00814.95
7.2.160.0030.01015.21
7.2.150.0030.00716.98
7.2.140.0080.00817.05
7.2.130.0040.01417.07
7.2.120.0080.01117.07
7.2.110.0100.01017.08
7.2.100.0030.01616.89
7.2.90.0090.00616.85
7.2.80.0060.01216.73
7.2.70.0100.00717.21
7.2.60.0050.01017.13
7.2.50.0030.01117.05
7.2.40.0100.00616.92
7.2.30.0030.00916.85
7.2.20.0070.01116.91
7.2.10.0000.01517.08
7.2.00.0060.00917.07
7.1.330.0000.01815.91
7.1.320.0040.01215.84
7.1.310.0060.00615.67
7.1.300.0060.00916.03
7.1.290.0040.00815.79
7.1.280.0070.00715.87
7.1.270.0030.01015.83
7.1.260.0040.00815.91
7.1.250.0030.00915.75
7.1.240.0040.01215.96
7.1.230.0060.00615.90
7.1.220.0040.00815.78
7.1.210.0060.01215.69
7.1.200.0050.01015.85
7.1.190.0060.00615.69
7.1.180.0060.00615.77
7.1.170.0070.00715.84
7.1.160.0070.00715.56
7.1.150.0030.01015.88
7.1.140.0080.00815.92
7.1.130.0030.00915.99
7.1.120.0090.00615.63
7.1.110.0070.01015.74
7.1.100.0090.00615.96
7.1.90.0100.00715.78
7.1.80.0000.01415.94
7.1.70.0050.00316.46
7.1.60.0020.01116.54
7.1.50.0100.01325.22
7.1.40.0050.01425.11
7.1.30.0070.01324.97
7.1.20.0070.01625.18
7.1.10.0050.00816.19
7.1.00.0060.00716.25
7.0.330.0160.00415.39
7.0.320.0180.00615.63
7.0.310.0150.01215.45
7.0.300.0140.00915.49
7.0.290.0110.01515.38
7.0.280.0150.01215.59
7.0.270.0220.00415.52
7.0.260.0130.01315.54
7.0.250.0110.01515.39
7.0.240.0030.01015.33
7.0.230.0000.01715.67
7.0.220.0040.01115.34
7.0.210.0040.01115.19
7.0.200.0050.00815.88
7.0.190.0090.00616.08
7.0.180.0050.00615.77
7.0.170.0050.00915.90
7.0.160.0070.01215.96
7.0.150.0130.00615.78
7.0.140.0070.01115.96
7.0.130.0100.00816.04
7.0.120.0060.01315.95
7.0.110.0070.01215.76
7.0.100.0090.01016.04
7.0.90.0060.01315.91
7.0.80.0080.00915.82
7.0.70.0090.00815.97
7.0.60.0030.01515.72
7.0.50.0100.00915.88
7.0.40.0100.00915.21
7.0.30.0060.01214.82
7.0.20.0060.01415.00
7.0.10.0110.00714.93
7.0.00.0110.00915.09
5.6.400.0100.01214.09
5.6.390.0110.01514.39
5.6.380.0190.00414.43
5.6.370.0070.01814.29
5.6.360.0180.00914.38
5.6.350.0160.01314.58
5.6.340.0260.00314.46
5.6.330.0130.01014.52
5.6.320.0100.00714.50
5.6.310.0060.00914.56
5.6.300.0120.01614.51
5.6.290.0110.01814.20
5.6.280.0170.00714.17
5.6.270.0230.00614.42
5.6.260.0180.00614.63
5.6.250.0160.00914.39
5.6.240.0150.00914.35
5.6.230.0150.01114.39
5.6.220.0190.00614.39
5.6.210.0110.01314.60
5.6.200.0120.01814.19
5.6.190.0130.01014.35
5.6.180.0060.01914.34
5.6.170.0160.01014.66
5.6.160.0120.01114.43
5.6.150.0140.01314.34
5.6.140.0130.01614.48
5.6.130.0130.01014.40
5.6.120.0140.01414.44
5.6.110.0090.01914.27
5.6.100.0150.01214.08
5.6.90.0200.00614.61
5.6.80.0220.00414.54
5.6.70.0100.01714.52
5.6.60.0140.01414.31
5.6.50.0220.00414.29
5.6.40.0180.00614.35
5.6.30.0150.01514.37
5.6.20.0180.01014.18
5.6.10.0200.00714.30
5.6.00.0170.01114.30

preferences:
60.65 ms | 400 KiB | 5 Q