3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "2007-01-01"; $b = "2008-02-15"; $i = date("Y m", strtotime($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++; }

Abusive script

This script was stopped while abusing our resources

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)
8.0.30.0300.03217.09
8.0.20.0430.03717.32
8.0.10.0110.05317.06
8.0.00.0260.03817.00
7.4.160.0360.03316.72
7.4.150.0150.03617.00
7.4.140.0260.03317.40
7.4.130.0430.03316.65
7.4.120.0240.04316.70
7.4.110.0200.04016.47
7.4.100.0350.04716.62
7.4.90.0220.04516.48
7.4.80.0280.03817.49
7.4.70.0360.03616.64
7.4.60.0220.03416.57
7.4.50.0180.04216.50
7.4.40.0330.04316.57
7.4.30.0290.03716.53
7.4.20.0360.03316.60
7.4.10.0170.04816.57
7.4.00.0210.05116.58
7.3.280.0160.03316.35
7.3.270.0170.05216.86
7.3.260.0210.03316.41
7.3.250.0410.04416.54
7.3.240.0430.04116.50
7.3.230.0230.04416.36
7.3.220.0260.04316.26
7.3.210.0250.03516.29
7.3.200.0250.03816.38
7.3.190.0320.04316.42
7.3.180.0230.03516.40
7.3.170.0320.03716.34
7.3.160.0330.03816.45
7.3.150.0150.04216.36
7.3.140.0210.03916.30
7.3.130.0230.04316.27
7.3.120.0170.03816.28
7.3.110.0260.03216.39
7.3.100.0190.03316.29
7.3.90.0240.03416.51
7.3.80.0240.04816.31
7.3.70.0340.03616.37
7.3.60.0270.03115.66
7.3.50.0280.03815.85
7.3.40.0300.03815.91
7.3.30.0170.03915.86
7.3.20.0310.02915.97
7.3.10.0290.03415.84
7.3.00.0140.03315.91
7.2.340.0320.04016.52
7.2.330.0340.03516.69
7.2.320.0300.04416.67
7.2.310.0340.03316.64
7.2.300.0300.04016.61
7.2.290.0200.03716.71
7.2.280.0230.04416.50
7.2.270.0390.02916.67
7.2.260.0310.04216.69
7.2.250.0280.04316.60
7.2.240.0240.04016.70
7.2.230.0320.04116.73
7.2.220.0300.03516.70
7.2.210.0310.03516.68
7.2.200.0350.04316.60
7.2.190.0300.04016.21
7.2.180.0340.04316.09
7.2.170.0230.03316.19
7.2.160.0270.03516.07
7.2.150.0370.03916.08
7.2.140.0260.02816.18
7.2.130.0380.03116.20
7.2.120.0320.03216.20
7.2.110.0310.03616.26
7.2.100.0270.03216.15
7.2.90.0700.03515.73
7.2.80.0680.02215.83
7.2.70.0630.02915.92
7.2.60.0440.02416.07
7.2.50.0660.03215.92
7.2.40.0480.02815.98
7.2.30.0440.03915.93
7.2.20.0570.02715.88
7.2.10.0500.03315.85
7.2.00.0390.03716.60
7.1.330.0320.03915.74
7.1.320.0650.06515.78
7.1.310.0450.04215.76
7.1.300.0280.03415.13
7.1.290.0450.04015.15
7.1.280.0270.03615.15
7.1.270.0330.03415.08
7.1.260.0280.03215.21
7.1.250.0630.04515.16
7.1.240.0290.03315.01
7.1.230.0360.03815.21
7.1.220.0380.04615.10
7.1.210.0730.03214.82
7.1.200.0580.03415.02
7.1.190.0530.03514.87
7.1.180.0500.03614.86
7.1.170.0760.03014.74
7.1.160.0450.03514.74
7.1.150.0540.02614.93
7.1.140.0630.03114.76
7.1.130.0510.03414.88
7.1.120.0620.03514.86
7.1.110.0630.03114.87
7.1.100.0550.02715.56
7.1.90.0590.03314.82
7.1.80.0650.03214.94
7.1.70.0440.03215.35
7.1.60.0550.03319.40
7.1.50.0440.03119.04
7.1.40.0600.03719.32
7.1.30.0710.04319.45
7.1.20.0620.03419.37
7.1.10.0360.04014.75
7.1.00.0740.04616.25
7.0.330.0310.02914.75
7.0.320.0320.03314.94
7.0.310.0720.03414.48
7.0.300.0690.03714.49
7.0.290.0830.02814.61
7.0.280.0490.02714.54
7.0.270.0700.03514.57
7.0.260.0610.04514.59
7.0.250.0550.03714.61
7.0.240.0610.03614.69
7.0.230.0830.03514.66
7.0.220.0730.04014.57
7.0.210.0470.03214.61
7.0.200.0400.02915.02
7.0.190.0440.03514.59
7.0.180.0470.03414.64
7.0.170.0630.03614.65
7.0.160.0590.03314.54
7.0.150.0410.03214.57
7.0.140.0360.04314.51
7.0.130.0700.03614.62
7.0.120.0560.03914.54
7.0.110.0550.03514.65
7.0.100.0330.03715.68
7.0.90.0460.04615.73
7.0.80.0380.05215.74
7.0.70.0350.05815.57
7.0.60.0380.05215.75
7.0.50.0340.04015.86
7.0.40.0280.04515.73
7.0.30.0360.04415.79
7.0.20.0400.06616.87
7.0.10.0420.04815.79
7.0.00.0390.04815.78
5.6.400.0300.04115.63
5.6.390.0270.04615.68
5.6.380.0320.04615.62
5.6.370.0280.05015.57
5.6.360.0440.05015.54
5.6.350.0320.05115.53
5.6.340.0360.04615.48
5.6.330.0350.03415.50
5.6.320.0310.04515.54
5.6.310.0260.04115.45
5.6.300.0290.04015.13
5.6.290.0310.04815.21
5.6.280.0310.04216.42
5.6.270.0320.05015.18
5.6.260.0340.04615.23
5.6.250.0270.04916.23
5.6.240.0290.06016.30
5.6.230.0390.04416.26
5.6.220.0290.06316.33
5.6.210.0370.06416.34
5.6.200.0250.06216.64
5.6.190.0270.05816.47
5.6.180.0300.06216.45
5.6.170.0290.05016.40
5.6.160.0300.05916.43
5.6.150.0210.03616.65
5.6.140.0240.04216.59
5.6.130.0250.05616.63
5.6.120.0140.05416.59
5.6.110.0180.06117.77
5.6.100.0220.06817.70
5.6.90.0230.05917.65
5.6.80.0130.06817.48
5.6.70.0220.04717.46
5.6.60.0220.06717.22
5.6.50.0230.06117.48
5.6.40.0220.05117.33
5.6.30.0260.06217.21
5.6.20.0140.07317.33
5.6.10.0300.06217.40
5.6.00.0300.05717.29
5.5.380.0320.04415.68
5.5.370.0290.04815.67
5.5.360.0330.04815.59
5.5.350.0310.04715.58
5.5.340.0180.05515.56
5.5.330.0350.05415.70
5.5.320.0340.05715.67
5.5.310.0360.05015.64
5.5.300.0310.05915.47
5.5.290.0260.05315.54
5.5.280.0310.04615.37
5.5.270.0190.06815.97
5.5.260.0250.07116.00
5.5.250.0120.06915.69
5.5.240.0150.06315.70
5.5.230.0280.06315.60
5.5.220.0170.06515.40
5.5.210.0260.07115.67
5.5.200.0140.05915.62
5.5.190.0190.06115.70
5.5.180.0180.07115.64
5.5.170.0320.03814.29
5.5.160.0200.06215.69
5.5.150.0200.05715.68
5.5.140.0250.04315.66
5.5.130.0190.03815.67
5.5.120.0100.05515.60
5.5.110.0170.06615.63
5.5.100.0170.05515.37
5.5.90.0150.06115.56
5.5.80.0100.05020.02
5.5.70.0100.05720.01
5.5.60.0000.06019.94
5.5.50.0100.06019.99
5.5.40.0170.07319.84
5.5.30.0130.10020.02
5.5.20.0000.11320.08
5.5.10.0230.07720.06
5.5.00.0170.09319.97

preferences:
34.32 ms | 401 KiB | 5 Q