3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = new DateTime('2014-01-07', new DateTimeZone('UTC')); $end = clone $start; $start->sub(new DateInterval('P1M')); // substract one month echo $start->format('Y-m-d').' - '.$end->format('Y-m-d'); // 2013-12-07 - 2014-01-07 - seems correct, let's get number of days... print_r($end->diff($start)); // DateInterval Object ( [y] => 0 [m] => 2 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [invert] => 1 [days] => 61 )

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)
8.3.60.0120.00318.31
8.3.50.0060.01021.27
8.3.40.0130.00618.79
8.3.30.0070.00720.21
8.3.20.0080.00020.34
8.3.10.0080.00021.93
8.3.00.0040.00422.30
8.2.180.0140.00716.75
8.2.170.0120.00322.96
8.2.160.0070.00722.12
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.01220.73
8.2.110.0060.00319.30
8.2.100.0080.00417.91
8.2.90.0050.00219.05
8.2.80.0040.00419.39
8.2.70.0000.00917.75
8.2.60.0030.00618.04
8.2.50.0000.00918.07
8.2.40.0000.00818.13
8.2.30.0040.00419.45
8.2.20.0020.00517.78
8.2.10.0030.00617.68
8.2.00.0130.00017.81
8.1.280.0090.00925.92
8.1.270.0070.00020.43
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00922.07
8.1.230.0070.00419.02
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0000.00917.47
8.1.190.0030.00617.41
8.1.180.0000.00818.10
8.1.170.0030.00518.63
8.1.160.0000.00718.77
8.1.150.0070.00018.75
8.1.140.0050.00317.49
8.1.130.0000.00717.89
8.1.120.0040.00417.43
8.1.110.0040.00417.58
8.1.100.0040.00417.60
8.1.90.0040.00417.63
8.1.80.0000.00717.48
8.1.70.0050.00317.57
8.1.60.0040.00417.65
8.1.50.0030.00517.44
8.1.40.0040.00417.58
8.1.30.0050.00217.69
8.1.20.0000.00817.61
8.1.10.0040.00417.67
8.1.00.0080.00017.51
8.0.300.0030.00618.84
8.0.290.0030.00317.05
8.0.280.0000.00718.52
8.0.270.0030.00317.17
8.0.260.0000.00717.01
8.0.250.0040.00417.06
8.0.240.0050.00217.07
8.0.230.0030.00317.15
8.0.220.0070.00016.94
8.0.210.0050.00216.96
8.0.200.0040.00417.11
8.0.190.0070.00017.00
8.0.180.0030.00316.96
8.0.170.0030.00616.95
8.0.160.0000.00717.00
8.0.150.0030.00317.06
8.0.140.0040.00417.00
8.0.130.0000.00613.45
8.0.120.0000.00817.05
8.0.110.0040.00416.86
8.0.100.0000.00816.96
8.0.90.0070.00016.89
8.0.80.0060.01217.03
8.0.70.0040.00416.82
8.0.60.0040.00416.86
8.0.50.0080.00017.02
8.0.30.0150.00517.06
8.0.20.0100.01217.40
8.0.10.0040.00417.13
8.0.00.0070.01016.93
7.4.330.0050.00016.80
7.4.320.0030.00316.68
7.4.300.0000.00616.43
7.4.290.0030.00316.66
7.4.280.0040.00416.58
7.4.270.0000.00716.65
7.4.260.0030.00313.34
7.4.250.0070.00016.44
7.4.240.0020.00516.62
7.4.230.0040.00416.41
7.4.220.0150.00616.71
7.4.210.0050.01016.64
7.4.200.0000.00816.71
7.4.190.0000.00716.69
7.4.160.0090.01216.53
7.4.150.0060.00917.40
7.4.140.0140.00717.86
7.4.130.0090.00916.63
7.4.120.0070.00916.63
7.4.110.0080.00816.59
7.4.100.0140.00416.50
7.4.90.0070.01016.66
7.4.80.0060.01219.39
7.4.70.0110.00716.63
7.4.60.0110.01016.40
7.4.50.0030.00516.60
7.4.40.0080.00822.77
7.4.30.0110.01116.81
7.4.10.0130.00315.13
7.4.00.0100.00514.82
7.3.330.0000.00513.33
7.3.320.0000.00613.25
7.3.310.0030.00316.41
7.3.300.0000.00616.31
7.3.290.0070.01016.45
7.3.280.0040.01216.40
7.3.270.0090.01517.40
7.3.260.0070.01016.54
7.3.250.0090.00916.57
7.3.240.0100.00716.43
7.3.230.0090.00916.50
7.3.210.0120.00416.55
7.3.200.0030.01316.66
7.3.190.0070.01016.46
7.3.180.0100.00616.42
7.3.170.0030.01416.58
7.3.160.0090.00616.49
7.3.130.0100.00715.05
7.3.120.0090.00514.94
7.3.110.0060.01314.89
7.3.100.0100.00314.79
7.3.90.0070.01014.92
7.3.80.0060.00315.10
7.3.70.0000.01414.92
7.3.60.0000.01214.72
7.3.50.0000.01414.78
7.3.40.0040.01214.90
7.3.30.0040.00714.95
7.3.20.0000.00916.58
7.3.10.0090.00816.43
7.3.00.0070.00716.64
7.2.330.0070.01116.43
7.2.320.0040.01417.00
7.2.310.0120.00616.68
7.2.300.0070.01016.43
7.2.290.0030.01316.53
7.2.260.0060.01214.76
7.2.250.0070.01315.15
7.2.240.0000.01415.02
7.2.230.0070.00714.98
7.2.220.0000.01715.10
7.2.210.0030.01014.97
7.2.200.0060.00915.11
7.2.190.0000.01515.02
7.2.180.0110.00715.14
7.2.170.0060.00314.86
7.2.160.0030.01014.90
7.2.150.0030.00917.00
7.2.140.0030.01317.05
7.2.130.0100.00717.00
7.2.120.0090.00716.85
7.2.110.0070.00716.85
7.2.100.0050.01017.04
7.2.90.0020.00916.94
7.2.80.0080.01017.07
7.2.70.0070.01017.06
7.2.60.0020.01217.09
7.2.50.0100.00716.69
7.2.40.0030.01216.92
7.2.30.0030.01016.88
7.2.20.0070.00716.88
7.2.10.0060.00616.66
7.2.00.0070.00817.87
7.1.330.0130.00015.80
7.1.320.0070.00716.08
7.1.310.0070.00315.53
7.1.300.0070.00415.84
7.1.290.0000.01315.89
7.1.280.0030.00915.66
7.1.270.0040.01215.65
7.1.260.0110.00715.73
7.1.250.0050.01215.77
7.1.240.0050.00715.67
7.1.230.0040.00716.04
7.1.220.0000.01115.55
7.1.210.0030.00615.94
7.1.200.0080.00715.80
7.1.190.0120.00015.92
7.1.180.0030.01015.75
7.1.170.0030.00615.62
7.1.160.0030.01015.98
7.1.150.0060.00315.59
7.1.140.0030.01015.95
7.1.130.0030.01215.79
7.1.120.0090.00615.62
7.1.110.0060.00616.05
7.1.100.0060.00817.21
7.1.90.0040.00815.82
7.1.80.0000.01115.74
7.1.70.0020.00716.60
7.1.60.0030.01017.58
7.1.50.0090.01125.35
7.1.40.0000.01015.71
7.1.30.0100.00315.75
7.1.20.0100.00316.01
7.1.10.0060.01015.80
7.1.00.0050.01819.11
7.0.330.0080.00815.47
7.0.320.0100.00315.49
7.0.310.0040.00715.43
7.0.300.0040.00815.33
7.0.290.0050.00515.19
7.0.280.0040.01115.64
7.0.270.0000.01415.40
7.0.260.0040.00715.46
7.0.250.0100.00315.68
7.0.240.0100.00315.40
7.0.230.0060.00315.46
7.0.220.0080.00015.44
7.0.210.0100.00315.66
7.0.200.0020.01216.29
7.0.190.0040.01115.39
7.0.180.0000.01215.55
7.0.170.0070.00715.64
7.0.160.0080.00315.55
7.0.150.0080.00815.60
7.0.140.0030.04118.84
7.0.130.0060.00615.49
7.0.120.0070.00715.44
7.0.110.0000.01315.60
7.0.100.0040.00815.67
7.0.90.0100.00315.40
7.0.80.0080.00815.71
7.0.70.0030.00715.54
7.0.60.0060.03217.83
7.0.50.0080.04316.77
7.0.40.0070.04516.81
7.0.30.0150.03316.93
7.0.20.0150.03616.94
7.0.10.0090.04016.91
7.0.00.0030.04716.75
5.6.400.0120.00314.56
5.6.390.0040.01514.63
5.6.380.0070.00714.19
5.6.370.0000.01214.45
5.6.360.0040.01214.52
5.6.350.0030.01014.26
5.6.340.0000.01514.32
5.6.330.0040.01114.54
5.6.320.0070.00314.59
5.6.310.0130.00014.39
5.6.300.0060.00914.34
5.6.290.0100.00314.40
5.6.280.0030.04317.68
5.6.270.0070.00414.32
5.6.260.0080.00414.33
5.6.250.0030.00714.16
5.6.240.0000.01614.34
5.6.230.0060.00914.45
5.6.220.0070.00714.34
5.6.210.0130.03717.47
5.6.200.0080.04316.21
5.6.190.0130.04017.48
5.6.180.0150.02517.52
5.6.170.0150.02517.53
5.6.160.0070.04417.42
5.6.150.0100.02816.25
5.6.140.0030.03716.16
5.6.130.0080.03216.31
5.6.120.0080.03117.55
5.6.110.0060.04017.67
5.6.100.0050.04117.65
5.6.90.0050.05117.71
5.6.80.0050.04517.38
5.6.70.0030.00614.23
5.6.60.0030.01414.41
5.6.50.0100.00714.15
5.6.40.0030.00914.39
5.6.30.0090.00614.22
5.6.20.0000.01514.46
5.6.10.0050.00514.57
5.6.00.0080.00614.29
5.5.380.0100.00014.27
5.5.370.0090.00314.08
5.5.360.0090.00614.47
5.5.350.0130.04117.31
5.5.340.0110.03916.13
5.5.330.0060.02617.35
5.5.320.0150.04917.15
5.5.310.0220.03717.27
5.5.300.0120.03316.23
5.5.290.0090.02815.97
5.5.280.0070.03517.52
5.5.270.0050.02117.61
5.5.260.0050.02317.39
5.5.250.0050.02617.23
5.5.240.0080.02817.28
5.5.230.0000.01413.89
5.5.220.0070.01014.00
5.5.210.0080.00814.03
5.5.200.0050.00514.15
5.5.190.0080.00813.94
5.5.180.0110.00714.02
5.5.170.0130.00013.77
5.5.160.0040.01214.31
5.5.150.0090.00613.68
5.5.140.0070.00713.89
5.5.130.0060.00614.11
5.5.120.0080.00513.94
5.5.110.0090.00714.09
5.5.100.0070.01413.89
5.5.90.0070.01014.26
5.5.80.0070.00313.92
5.5.70.0000.01513.93
5.5.60.0060.01014.15
5.5.50.0030.01314.34
5.5.40.0090.00314.25
5.5.30.0000.01214.31
5.5.20.0080.00814.17
5.5.10.0100.00713.88
5.5.00.0070.00713.96
5.4.450.0110.02415.17
5.4.440.0110.04115.26
5.4.430.0180.03015.30
5.4.420.0070.03015.29
5.4.410.0160.03315.20
5.4.400.0140.02315.16
5.4.390.0150.03114.77
5.4.380.0120.02815.06
5.4.370.0140.03714.88
5.4.360.0160.03515.08
5.4.350.0230.02215.08
5.4.340.0200.02214.96
5.4.330.0040.00411.05
5.4.320.0130.03914.88
5.4.310.0150.03714.94
5.4.300.0130.02614.88
5.4.290.0160.03514.98
5.4.280.0180.02015.09
5.4.270.0160.02715.07
5.4.260.0150.03114.88
5.4.250.0170.02515.08
5.4.240.0100.02215.17
5.4.230.0150.02015.12
5.4.220.0080.04315.00
5.4.210.0150.02114.85
5.4.200.0100.03714.93
5.4.190.0130.02815.03
5.4.180.0080.02514.84
5.4.170.0110.02015.04
5.4.160.0150.02015.05
5.4.150.0140.02014.77
5.4.140.0150.03013.65
5.4.130.0140.02013.74
5.4.120.0120.01913.74
5.4.110.0100.02513.66
5.4.100.0150.01713.57
5.4.90.0120.02613.78
5.4.80.0110.02113.69
5.4.70.0110.04013.85
5.4.60.0150.03513.67
5.4.50.0120.03813.50
5.4.40.0130.02713.68
5.4.30.0130.02413.73
5.4.20.0150.02813.61
5.4.10.0080.02513.71
5.4.00.0130.02813.43
5.3.290.0170.03112.69
5.3.280.0130.03812.46
5.3.270.0170.03812.54
5.3.260.0120.02412.65
5.3.250.0100.02612.54
5.3.240.0150.03512.52
5.3.230.0130.04312.49
5.3.220.0160.03012.47
5.3.210.0160.03712.43
5.3.200.0150.01912.52
5.3.190.0120.02912.52
5.3.180.0170.03312.60
5.3.170.0130.03812.45
5.3.160.0130.04112.57
5.3.150.0200.03512.54
5.3.140.0170.02312.46
5.3.130.0180.02512.40
5.3.120.0150.03012.57
5.3.110.0170.03712.53
5.3.100.0100.02912.29
5.3.90.0130.03812.24
5.3.80.0200.03312.25
5.3.70.0080.02512.28
5.3.60.0180.04012.21
5.3.50.0170.03312.26
5.3.40.0150.02312.08
5.3.30.0120.02012.14
5.3.20.0100.02012.07
5.3.10.0120.02112.00
5.3.00.0180.03312.02
5.2.170.0230.03312.29
5.2.160.0230.02312.29
5.2.150.0200.06012.29
5.2.140.0100.03712.29
5.2.130.0130.03012.29
5.2.120.0200.06012.29
5.2.110.0270.05312.29
5.2.100.0270.05312.29
5.2.90.0200.04012.29
5.2.80.0170.04712.29
5.2.70.0130.03312.29
5.2.60.0130.03012.29
5.2.50.0130.03312.29
5.2.40.0170.05312.29
5.2.30.0200.02712.29
5.2.20.0130.03012.29
5.2.10.0070.04712.29
5.2.00.0170.03312.29
5.1.60.0130.04712.29
5.1.50.0170.05012.29
5.1.40.0130.05712.29
5.1.30.0130.05312.29
5.1.20.0170.03012.29
5.1.10.0130.02712.29
5.1.00.0070.03012.29
5.0.50.0130.03712.29
5.0.40.0100.02312.29
5.0.30.0130.04712.29
5.0.20.0070.03312.29
5.0.10.0100.04312.29
5.0.00.0070.06312.29
4.4.90.0070.03012.29
4.4.80.0170.03012.29
4.4.70.0070.02712.29
4.4.60.0100.01712.29
4.4.50.0100.01312.29
4.4.40.0070.03012.29
4.4.30.0130.02312.29
4.4.20.0100.01012.29
4.4.10.0030.01712.29
4.4.00.0030.03712.29
4.3.110.0070.03012.29
4.3.100.0070.02012.29
4.3.90.0030.02012.29
4.3.80.0130.04712.29
4.3.70.0070.02012.29
4.3.60.0100.03312.29
4.3.50.0070.02312.29
4.3.40.0070.03312.29
4.3.30.0070.01712.29
4.3.20.0070.03012.29
4.3.10.0070.01712.29
4.3.00.0070.01712.29

preferences:
50.46 ms | 401 KiB | 5 Q