3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "2014-04-01"; $b = "2015-03-31"; $i = date("Y-m", strtotime($a)); while($i <= date("Y-m", strtotime($b))){ echo $i."\n"; if(substr($i, 4, 2) == "12") $i = (date("Y", strtotime($i."01")) + 1)."01"; else $i++; }

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)
8.3.60.0160.00318.56
8.3.50.0140.01222.03
8.3.40.0180.00718.92
8.3.30.0140.00719.21
8.3.20.0070.00320.34
8.3.10.0070.00321.94
8.3.00.0040.00719.50
8.2.180.0230.02318.16
8.2.170.0160.01622.96
8.2.160.0350.02121.99
8.2.150.0070.01024.18
8.2.140.0070.01024.66
8.2.130.0070.01426.16
8.2.120.0100.01019.66
8.2.110.0070.01419.20
8.2.100.0030.02417.88
8.2.90.0030.01719.39
8.2.80.0030.02317.97
8.2.70.0070.01717.75
8.2.60.0040.01917.93
8.2.50.0140.00718.07
8.2.40.0030.01618.34
8.2.30.0110.00818.16
8.2.20.0100.01017.95
8.2.10.0030.01818.28
8.2.00.0160.01018.14
8.1.280.0200.02325.92
8.1.270.0070.01024.66
8.1.260.0110.00726.35
8.1.250.0150.00628.09
8.1.240.0150.00722.02
8.1.230.0040.02517.73
8.1.220.0030.02017.74
8.1.210.0060.01518.77
8.1.200.0070.02017.47
8.1.190.0070.01717.36
8.1.180.0070.01518.10
8.1.170.0150.00620.50
8.1.160.0100.01022.14
8.1.150.0100.01318.96
8.1.140.0100.01017.73
8.1.130.0070.01617.89
8.1.120.0100.01317.75
8.1.110.0070.01317.72
8.1.100.0130.00917.73
8.1.90.0060.01917.70
8.1.80.0060.01617.70
8.1.70.0030.01717.71
8.1.60.0160.00917.68
8.1.50.0070.01717.76
8.1.40.0040.01817.73
8.1.30.0130.01017.85
8.1.20.0050.01617.85
8.1.10.0090.01517.54
8.1.00.0030.01617.79
8.0.300.0030.01618.77
8.0.290.0100.01016.75
8.0.280.0040.01818.41
8.0.270.0100.01017.29
8.0.260.0060.01217.19
8.0.250.0000.02016.98
8.0.240.0100.01417.05
8.0.230.0130.01317.05
8.0.220.0030.02017.05
8.0.210.0100.01416.95
8.0.200.0090.01517.14
8.0.190.0000.02117.07
8.0.180.0080.01117.02
8.0.170.0070.01417.10
8.0.160.0030.01916.97
8.0.150.0110.00717.02
8.0.140.0100.01017.00
8.0.130.0040.01413.46
8.0.120.0090.01317.01
8.0.110.0140.01017.09
8.0.100.0090.01216.98
8.0.90.0000.01917.01
8.0.80.0000.04416.92
8.0.70.0030.02117.02
8.0.60.0060.01617.02
8.0.50.0030.01617.00
8.0.30.0390.04117.17
8.0.20.0280.04717.40
8.0.10.0060.01217.18
8.0.00.0280.03716.85
7.4.330.0120.00615.14
7.4.320.0030.02016.63
7.4.300.0000.02316.49
7.4.290.0100.01316.68
7.4.280.0100.01416.48
7.4.270.0060.01616.63
7.4.260.0000.01916.55
7.4.250.0000.02016.40
7.4.240.0030.01916.68
7.4.230.0100.01316.45
7.4.220.0160.06216.55
7.4.210.0170.04016.64
7.4.200.0080.01216.63
7.4.160.0190.03416.67
7.4.150.0340.07117.40
7.4.140.0280.05717.86
7.4.130.0320.03816.66
7.4.120.0350.04316.57
7.4.110.0130.05416.71
7.4.100.0230.04916.74
7.4.90.0240.03416.48
7.4.80.0250.04619.39
7.4.70.0160.04216.44
7.4.60.0200.02916.69
7.4.50.0030.01016.45
7.4.40.0220.04916.53
7.4.30.0520.04116.61
7.4.00.0070.02415.01
7.3.330.0090.00913.29
7.3.320.0580.04213.18
7.3.310.0030.01916.23
7.3.300.0040.02216.28
7.3.290.0040.01916.33
7.3.280.0140.03516.25
7.3.270.0300.03317.40
7.3.260.0230.04716.70
7.3.250.0390.03416.53
7.3.240.0370.03616.52
7.3.230.0300.03716.62
7.3.210.0280.04616.36
7.3.200.0250.06919.39
7.3.190.0220.03116.57
7.3.180.0220.02516.52
7.3.170.0270.03316.61
7.3.160.0240.04116.37
7.2.330.0340.03716.85
7.2.320.0290.04916.85
7.2.310.0400.05916.49
7.2.300.0230.03016.63
7.2.290.0250.03516.74
7.2.60.0100.02016.57
7.2.00.0100.02019.45
7.1.200.0100.02015.88
7.1.100.0130.02718.14
7.1.70.0000.02517.18
7.1.60.0190.02919.50
7.1.50.0130.01317.40
7.1.00.0170.08722.24
7.0.200.0320.01317.03
7.0.140.0170.08722.07
7.0.80.0130.07719.97
7.0.70.0270.09019.90
7.0.60.0330.05719.97
7.0.50.0070.11720.18
7.0.40.0100.06020.13
7.0.30.0000.07020.19
7.0.20.0030.05720.13
7.0.10.0130.06720.10
7.0.00.0230.08719.99
5.6.280.0170.09021.15
5.6.230.0000.06720.59
5.6.220.0070.08020.57
5.6.210.0170.07020.64
5.6.200.0230.05020.93
5.6.190.0000.06721.07
5.6.180.0130.09721.11
5.6.170.0100.11021.00
5.6.160.0170.09321.17
5.6.150.0130.10721.10
5.6.140.0000.06721.01
5.6.130.0130.09021.03
5.6.120.0130.11320.95
5.6.110.0130.10721.00
5.6.100.0170.10320.93
5.6.90.0100.09721.05
5.6.80.0130.04720.41
5.6.70.0000.11020.45
5.6.60.0100.09720.44
5.6.50.0170.04720.36
5.6.40.0100.10720.49
5.6.30.0170.08720.30
5.6.20.0130.09020.28
5.6.10.0070.06020.40
5.6.00.0230.09320.36
5.5.370.0130.07320.50
5.5.360.0130.08720.44
5.5.350.0100.08320.45
5.5.340.0130.10320.82
5.5.330.0170.05020.68
5.5.320.0170.04720.77
5.5.310.0170.06720.64
5.5.300.0170.08720.89
5.5.290.0230.09020.82
5.5.280.0170.10720.92
5.5.270.0070.06020.85
5.5.260.0130.10320.77
5.5.250.0170.08320.63
5.5.240.0200.08320.27
5.5.230.0230.09020.25
5.5.220.0270.07720.25
5.5.210.0200.07720.24
5.5.200.0300.04720.14
5.5.190.0100.09020.10
5.5.180.0270.09320.14
5.5.160.0100.08020.08
5.5.150.0200.08020.07
5.5.140.0030.07320.27
5.5.130.0170.08720.18
5.5.120.0100.08720.23
5.5.110.0070.06720.23
5.5.100.0170.08720.04
5.5.90.0100.09019.94
5.5.80.0200.06720.00
5.5.70.0170.10020.08
5.5.60.0200.04720.08
5.5.50.0130.08720.04
5.5.40.0070.05320.14
5.5.30.0100.09720.05
5.5.20.0130.09020.13
5.5.10.0070.10320.05
5.5.00.0270.07019.95
5.4.450.0130.10019.16
5.4.440.0130.10019.29
5.4.430.0200.07319.30
5.4.420.0200.08719.30
5.4.410.0100.05018.95
5.4.400.0070.05318.75
5.4.390.0200.07718.92
5.4.380.0100.05318.74
5.4.370.0070.07018.89
5.4.360.0230.09018.89
5.4.350.0130.06018.97
5.4.340.0170.08318.88
5.4.320.0200.09018.98
5.4.310.0170.10018.88
5.4.300.0170.04319.07
5.4.290.0100.06018.75
5.4.280.0100.05718.82
5.4.270.0200.05318.97
5.4.260.0170.07018.87
5.4.250.0100.06018.88
5.4.240.0130.09318.97
5.4.230.0170.04018.96
5.4.220.0170.09018.96
5.4.210.0100.10318.95
5.4.200.0270.06718.97
5.4.190.0170.07318.87
5.4.180.0200.06718.89
5.4.170.0030.10718.80
5.4.160.0270.08718.80
5.4.150.0230.07018.95
5.4.140.0130.06016.29
5.4.130.0130.08016.34
5.4.120.0130.08016.19
5.4.110.0130.09316.29
5.4.100.0200.08016.23
5.4.90.0230.05016.22
5.4.80.0270.07316.39
5.4.70.0170.05016.23
5.4.60.0230.07716.18
5.4.50.0100.10016.16
5.4.40.0170.06716.38
5.4.30.0230.07716.27
5.4.20.0130.04316.38
5.4.10.0200.10016.38
5.4.00.0200.04015.61

preferences:
49.14 ms | 401 KiB | 5 Q