3v4l.org

run code in 300+ PHP versions simultaneously
<?php $m = 1; $y = 2016; echo "Original date Resulting date\n"; foreach (range(1, 31) as $day) { if($day <= 9){ $day = '0'.$day; } // this is the important bit $snap = strtotime("monday this week",strtotime("$m/$day/$y")); echo str_pad(date('l',strtotime("$m/$day/$y")), 9, " ", STR_PAD_LEFT)," $m/$day/$y: ",date('r',$snap),"\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)
8.3.60.0000.01518.28
8.3.50.0100.00921.17
8.3.40.0110.00418.76
8.3.30.0100.01018.89
8.3.20.0080.00020.38
8.3.10.0040.00421.60
8.3.00.0080.00021.97
8.2.180.0130.00616.50
8.2.170.0140.00722.96
8.2.160.0090.00920.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.99
8.2.120.0040.00426.35
8.2.110.0100.00019.18
8.2.100.0030.00917.97
8.2.90.0030.00618.15
8.2.80.0000.00818.17
8.2.70.0090.00017.88
8.2.60.0030.00518.05
8.2.50.0040.00818.09
8.2.40.0060.00322.46
8.2.30.0060.00319.56
8.2.20.0050.00317.95
8.2.10.0060.00318.31
8.2.00.0000.00818.25
8.1.280.0070.01125.92
8.1.270.0120.00621.92
8.1.260.0050.00328.09
8.1.250.0000.00828.09
8.1.240.0090.00321.92
8.1.230.0070.00420.99
8.1.220.0030.00517.91
8.1.210.0050.00318.82
8.1.200.0040.00717.60
8.1.190.0080.00017.50
8.1.180.0060.00318.10
8.1.170.0040.00418.77
8.1.160.0080.00020.77
8.1.150.0030.00520.70
8.1.140.0000.00919.58
8.1.130.0070.00017.83
8.1.120.0040.00417.69
8.1.110.0040.00417.72
8.1.100.0040.00417.71
8.1.90.0040.00417.75
8.1.80.0040.00417.75
8.1.70.0040.00417.71
8.1.60.0050.00317.79
8.1.50.0040.00417.73
8.1.40.0030.00517.62
8.1.30.0030.00617.85
8.1.20.0090.00017.88
8.1.10.0040.00417.58
8.1.00.0030.00517.66
8.0.300.0080.00020.15
8.0.290.0030.00617.00
8.0.280.0050.00318.54
8.0.270.0030.00317.33
8.0.260.0040.00418.64
8.0.250.0070.00017.09
8.0.240.0040.00417.18
8.0.230.0040.00417.14
8.0.220.0030.00617.11
8.0.210.0030.00617.13
8.0.200.0070.00417.21
8.0.190.0080.00017.11
8.0.180.0030.00617.23
8.0.170.0000.00917.22
8.0.160.0040.00417.07
8.0.150.0070.00017.13
8.0.140.0030.00517.11
8.0.130.0030.00313.46
8.0.120.0050.00317.07
8.0.110.0000.00817.13
8.0.100.0000.00817.21
8.0.90.0040.00416.95
8.0.80.0100.00717.20
8.0.70.0040.00417.09
8.0.60.0040.00417.16
8.0.50.0050.00517.18
8.0.30.0080.01217.28
8.0.20.0120.00817.40
8.0.10.0040.00417.16
8.0.00.0080.01416.97
7.4.330.0050.00016.77
7.4.320.0070.00016.72
7.4.300.0070.00016.77
7.4.290.0030.00316.80
7.4.280.0000.00816.65
7.4.270.0000.00716.84
7.4.260.0070.00016.77
7.4.250.0000.00816.68
7.4.240.0000.00716.84
7.4.230.0040.00416.82
7.4.220.0080.01116.82
7.4.210.0060.01016.80
7.4.200.0040.00416.62
7.4.160.0180.00016.64
7.4.150.0100.01017.40
7.4.140.0120.01217.86
7.4.130.0100.01016.75
7.4.120.0120.00916.64
7.4.110.0150.00416.74
7.4.100.0170.00716.64
7.4.90.0060.01316.76
7.4.80.0100.01319.39
7.4.70.0070.01116.79
7.4.60.0090.01416.75
7.4.50.0090.00616.61
7.4.40.0120.00616.78
7.4.30.0090.01616.79
7.4.00.0120.00415.10
7.3.330.0000.00513.36
7.3.320.0000.00513.41
7.3.310.0060.00316.52
7.3.300.0070.00016.38
7.3.290.0070.00816.49
7.3.280.0080.01116.46
7.3.270.0130.00717.40
7.3.260.0060.01316.71
7.3.250.0090.01016.61
7.3.240.0080.01116.64
7.3.230.0060.01216.61
7.3.210.0040.01516.55
7.3.200.0070.01119.39
7.3.190.0100.00716.43
7.3.180.0140.00616.54
7.3.170.0160.00816.64
7.3.160.0090.00916.60
7.2.330.0060.01216.70
7.2.320.0070.01416.76
7.2.310.0090.00916.68
7.2.300.0130.01016.48
7.2.290.0140.00316.96
7.2.60.0030.01517.06
7.2.00.0060.01319.76
7.1.200.0070.00416.01
7.1.70.0000.01917.17
7.1.60.0040.00717.49
7.1.50.0070.00717.17
7.1.00.0030.08022.27
7.0.200.0070.01016.92
7.0.80.0170.05319.91
7.0.70.0070.04019.83
7.0.60.0200.04019.91
7.0.50.0500.03320.33
7.0.40.0070.07020.11
7.0.30.0000.09020.08
7.0.20.0130.08320.04
7.0.10.0030.06319.98
7.0.00.0000.08720.07
5.6.280.0030.04020.91
5.6.230.0070.04720.63
5.6.220.0100.07720.59
5.6.210.0000.04320.61
5.6.200.0070.05321.14
5.6.190.0070.08321.03
5.6.180.0130.08021.02
5.6.170.0030.09721.01
5.6.160.0030.08021.03
5.6.150.0130.07321.08
5.6.140.0070.06021.01
5.6.130.0070.04320.94
5.6.120.0030.09021.13
5.6.110.0070.07721.10
5.6.100.0100.05321.02
5.6.90.0030.04321.02
5.6.80.0030.07320.32
5.6.70.0130.06720.41
5.6.60.0070.05020.44
5.6.50.0170.07320.34
5.6.40.0000.07720.48
5.6.30.0230.07020.53
5.6.20.0000.05020.41
5.6.10.0100.07320.48
5.6.00.0000.05320.35
5.5.370.0000.05020.51
5.5.360.0070.07320.29
5.5.350.0000.05020.42
5.5.340.0100.06320.75
5.5.330.0100.06320.77
5.5.320.0170.08020.93
5.5.310.0070.04320.89
5.5.300.0070.08020.88
5.5.290.0030.05020.88
5.5.280.0070.09320.77
5.5.270.0030.08720.74
5.5.260.0070.08020.87
5.5.250.0070.08020.73
5.5.240.0070.04320.28
5.5.230.0070.05020.18
5.5.220.0170.06020.21
5.5.210.0070.04720.13
5.5.200.0130.07320.18
5.5.190.0130.04020.15
5.5.180.0130.05720.12
5.5.160.0070.08320.11
5.5.150.0100.07020.24
5.5.140.0100.07720.17
5.5.130.0170.07020.07
5.5.120.0070.07720.25
5.5.110.0130.07720.05
5.5.100.0030.08720.18
5.5.90.0100.04720.06
5.5.80.0130.08020.11
5.5.70.0000.06320.00
5.5.60.0170.06719.95
5.5.50.0130.07320.00
5.5.40.0030.07320.05
5.5.30.0030.05019.95
5.5.20.0100.05720.09
5.5.10.0070.08720.13
5.5.00.0030.05320.11

preferences:
36.33 ms | 401 KiB | 5 Q