3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date('m/Y', strtotime("2017-05-01")); echo '<br/>'; $a = "2007-01-01"; $b = "2008-02-15"; $i = date("Ym", strtotime($a)); while($i <= date("Ym", strtotime($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)
8.3.70.0090.00616.63
8.3.60.0060.00918.68
8.3.50.0120.00616.70
8.3.40.0150.00018.92
8.3.30.0040.01119.15
8.3.20.0090.00020.13
8.3.10.0000.00823.54
8.3.00.0040.00419.68
8.2.180.0100.00716.50
8.2.170.0240.00022.96
8.2.160.0170.00319.00
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00419.31
8.2.120.0080.00026.35
8.2.110.0070.00319.21
8.2.100.0090.00317.97
8.2.90.0000.00819.17
8.2.80.0040.00418.05
8.2.70.0030.00717.63
8.2.60.0070.00318.16
8.2.50.0050.00318.10
8.2.40.0030.00520.46
8.2.30.0030.00519.43
8.2.20.0040.00418.20
8.2.10.0000.00718.10
8.2.00.0040.00418.25
8.1.280.0140.00425.92
8.1.270.0070.00022.19
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0090.00019.09
8.1.230.0000.01119.09
8.1.220.0030.00617.78
8.1.210.0090.00018.77
8.1.200.0070.00317.48
8.1.190.0060.00317.47
8.1.180.0040.00418.10
8.1.170.0060.00318.81
8.1.160.0050.00219.08
8.1.150.0030.00718.95
8.1.140.0040.00419.61
8.1.130.0000.00718.96
8.1.120.0000.00717.66
8.1.110.0080.00017.62
8.1.100.0000.00817.61
8.1.90.0040.00417.64
8.1.80.0000.00817.65
8.1.70.0020.00517.50
8.1.60.0050.00317.69
8.1.50.0030.00517.64
8.1.40.0000.00817.54
8.1.30.0000.00817.78
8.1.20.0000.00817.67
8.1.10.0030.00517.51
8.1.00.0070.00017.66
8.0.300.0000.00718.77
8.0.290.0080.00016.88
8.0.280.0000.00718.48
8.0.270.0030.00317.33
8.0.260.0030.00317.09
8.0.250.0070.00017.22
8.0.240.0040.00417.14
8.0.230.0030.00317.25
8.0.220.0040.00417.15
8.0.210.0070.00017.15
8.0.200.0000.00817.13
8.0.190.0000.00817.20
8.0.180.0020.00517.20
8.0.170.0000.00717.19
8.0.160.0040.00417.02
8.0.150.0040.00417.17
8.0.140.0000.00717.10
8.0.130.0030.00313.52
8.0.120.0000.00717.12
8.0.110.0000.00717.20
8.0.100.0080.00017.12
8.0.90.0000.00717.15
8.0.80.0110.00717.22
8.0.70.0040.00417.14
8.0.60.0000.00717.12
8.0.50.0000.00717.15
8.0.30.0090.01217.27
8.0.20.0150.01317.44
8.0.10.0050.00317.14
8.0.00.0030.01516.92
7.4.330.0050.00015.55
7.4.320.0000.00616.79
7.4.300.0000.00616.70
7.4.290.0000.00716.79
7.4.280.0060.00316.68
7.4.270.0030.00316.66
7.4.260.0000.00716.58
7.4.250.0020.00516.62
7.4.240.0000.00816.65
7.4.230.0030.00316.83
7.4.220.0150.00916.60
7.4.210.0060.00916.85
7.4.200.0080.00016.68
7.4.160.0150.00516.78
7.4.150.0100.01317.40
7.4.140.0120.00917.86
7.4.130.0100.00716.81
7.4.120.0170.00516.60
7.4.110.0100.00716.64
7.4.100.0130.01016.72
7.4.90.0100.01316.64
7.4.80.0160.00619.39
7.4.70.0100.00616.91
7.4.60.0160.00216.75
7.4.50.0070.01116.59
7.4.40.0060.01616.79
7.4.30.0090.00916.81
7.4.00.0120.00315.38
7.3.330.0060.00013.37
7.3.320.0030.00313.26
7.3.310.0000.00716.35
7.3.300.0030.00316.42
7.3.290.0080.00616.46
7.3.280.0090.00916.36
7.3.270.0170.00317.40
7.3.260.0160.00516.58
7.3.250.0120.00616.55
7.3.240.0080.01116.43
7.3.230.0070.01016.39
7.3.210.0090.00916.72
7.3.200.0060.00916.64
7.3.190.0070.01016.54
7.3.180.0100.00716.52
7.3.170.0040.01216.50
7.3.160.0120.00616.48
7.2.330.0120.00616.84
7.2.320.0130.00316.68
7.2.310.0000.01616.94
7.2.300.0160.00616.88
7.2.290.0080.00816.70
7.2.60.0100.00317.15
7.2.00.0000.01219.51
7.1.200.0040.00815.88
7.1.100.0080.00418.30
7.1.70.0090.00617.34
7.1.60.0240.01435.24
7.1.50.0160.03035.13
7.1.40.0310.02134.75
7.1.30.0160.02334.65
7.1.20.0240.01734.66
7.1.10.0110.01416.82
7.1.00.0090.01216.95
7.0.200.0070.01416.88
7.0.190.0100.01016.86
7.0.180.0070.01416.50
7.0.170.0080.01416.39
7.0.160.0110.01316.50
7.0.150.0030.01716.64
7.0.140.0090.01216.56
7.0.130.0120.00616.59
7.0.120.0070.01216.68
7.0.110.0030.01716.73
7.0.100.0100.01016.41
7.0.90.0060.01316.43
7.0.80.0070.01616.64
7.0.70.0100.01316.44
7.0.60.0120.00616.46
7.0.50.0110.01316.60
7.0.40.0000.02316.73
7.0.30.0070.01316.66
7.0.20.0060.01316.48
7.0.10.0140.00716.53
7.0.00.0060.01616.60

preferences:
46.63 ms | 401 KiB | 5 Q