3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "2018-12-30"; $b = "2019-12-12"; $i = date("Ym", strtotime($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)
8.3.60.0150.00018.68
8.3.50.0170.00318.42
8.3.40.0170.00018.95
8.3.30.0030.01218.91
8.3.20.0000.00819.49
8.3.10.0080.00021.85
8.3.00.0050.00319.68
8.2.180.0110.00618.29
8.2.170.0120.00322.96
8.2.160.0070.00720.27
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00319.77
8.2.120.0080.00026.35
8.2.110.0100.00022.21
8.2.100.0040.00818.04
8.2.90.0000.00818.34
8.2.80.0030.00517.97
8.2.70.0030.00617.88
8.2.60.0000.00818.05
8.2.50.0080.00018.09
8.2.40.0060.00320.64
8.2.30.0000.00719.46
8.2.20.0000.00817.91
8.2.10.0000.00818.16
8.2.00.0030.00518.20
8.1.280.0140.00725.92
8.1.270.0040.00423.85
8.1.260.0070.00328.09
8.1.250.0000.00828.09
8.1.240.0080.00023.98
8.1.230.0040.00820.97
8.1.220.0060.00317.78
8.1.210.0040.00418.79
8.1.200.0090.00317.48
8.1.190.0050.00317.48
8.1.180.0000.00818.10
8.1.170.0060.00318.80
8.1.160.0040.00420.94
8.1.150.0000.00718.98
8.1.140.0000.00819.58
8.1.130.0040.00417.84
8.1.120.0000.00717.67
8.1.110.0030.00617.52
8.1.100.0080.00017.74
8.1.90.0000.00817.55
8.1.80.0070.00017.65
8.1.70.0000.00717.59
8.1.60.0080.00017.62
8.1.50.0060.00317.71
8.1.40.0040.00417.55
8.1.30.0000.00817.74
8.1.20.0040.00417.76
8.1.10.0030.00617.59
8.1.00.0000.00817.50
8.0.300.0040.00420.09
8.0.290.0000.00816.75
8.0.280.0030.00518.59
8.0.270.0030.00317.28
8.0.260.0030.00317.34
8.0.250.0000.00717.13
8.0.240.0040.00417.25
8.0.230.0040.00417.13
8.0.220.0050.00217.11
8.0.210.0030.00617.16
8.0.200.0050.00317.12
8.0.190.0040.00417.25
8.0.180.0070.00017.24
8.0.170.0000.00717.22
8.0.160.0030.00317.19
8.0.150.0050.00317.13
8.0.140.0000.00717.14
8.0.130.0000.00513.46
8.0.120.0040.00417.03
8.0.110.0060.00317.08
8.0.100.0050.00217.23
8.0.90.0000.00717.19
8.0.80.0070.01017.08
8.0.70.0050.00317.14
8.0.60.0070.00017.09
8.0.50.0040.00416.99
8.0.30.0060.01317.35
8.0.20.0080.01317.48
8.0.10.0000.00717.23
8.0.00.0080.01016.90
7.4.330.0000.00515.08
7.4.320.0000.00616.62
7.4.300.0030.00616.65
7.4.290.0000.00716.73
7.4.280.0000.00916.78
7.4.270.0040.00316.67
7.4.260.0030.00316.77
7.4.250.0030.00316.73
7.4.240.0040.00416.61
7.4.230.0040.00416.45
7.4.220.0130.00616.70
7.4.210.0100.01016.66
7.4.200.0070.00016.78
7.4.160.0170.00316.59
7.4.150.0090.01217.40
7.4.140.0080.01017.86
7.4.130.0080.01016.88
7.4.120.0110.00616.79
7.4.110.0110.00716.61
7.4.100.0100.01316.70
7.4.90.0120.00616.85
7.4.80.0030.01519.39
7.4.70.0070.01516.59
7.4.60.0030.01316.58
7.4.50.0090.00616.92
7.4.40.0090.01216.49
7.4.30.0140.00616.66
7.4.00.0000.01215.06
7.3.330.0000.00613.15
7.3.320.0040.00413.12
7.3.310.0040.00416.50
7.3.300.0030.00316.28
7.3.290.0090.00816.45
7.3.280.0080.01116.40
7.3.270.0140.01117.40
7.3.260.0070.01016.59
7.3.250.0080.01116.64
7.3.240.0140.00316.53
7.3.230.0120.00616.63
7.3.210.0140.00416.35
7.3.200.0110.00616.68
7.3.190.0080.00816.52
7.3.180.0080.00916.32
7.3.170.0070.00916.66
7.3.160.0180.00316.83
7.3.120.0070.01014.95
7.3.110.0030.01315.33
7.3.100.0060.00915.07
7.3.90.0060.00614.73
7.3.80.0030.00914.95
7.3.70.0000.00815.02
7.3.60.0070.00715.08
7.3.50.0050.00315.09
7.3.40.0060.00314.80
7.3.30.0040.01214.78
7.3.20.0040.00416.52
7.3.10.0030.01016.84
7.3.00.0070.00416.89
7.2.330.0130.00616.93
7.2.320.0090.01616.97
7.2.310.0070.01116.99
7.2.300.0170.00516.51
7.2.290.0030.01516.96
7.2.250.0040.01415.17
7.2.240.0000.01815.12
7.2.230.0080.00815.28
7.2.220.0100.00015.48
7.2.210.0060.00615.14
7.2.200.0060.00315.03
7.2.190.0030.01015.01
7.2.180.0040.01115.21
7.2.170.0000.01415.07
7.2.160.0000.01315.21
7.2.150.0080.00416.86
7.2.140.0040.01116.85
7.2.130.0000.01617.07
7.2.120.0040.00417.15
7.2.110.0060.01217.21
7.2.100.0030.00916.83
7.2.90.0030.01017.19
7.2.80.0030.00816.77
7.2.70.0080.00617.17
7.2.60.0050.00817.04
7.2.50.0090.00617.30
7.2.40.0040.01216.85
7.2.30.0000.01417.20
7.2.20.0070.00716.97
7.2.10.0110.00017.14
7.2.00.0010.01018.23
7.1.330.0040.00915.93
7.1.320.0030.01016.21
7.1.310.0000.01416.04
7.1.300.0090.00315.98
7.1.290.0030.01016.00
7.1.280.0030.00616.08
7.1.270.0030.00916.03
7.1.260.0020.00516.02
7.1.250.0040.01116.05
7.1.200.0150.00415.83
7.1.100.0030.01018.24
7.1.70.0050.00317.28
7.1.60.0070.01619.47
7.1.00.0030.07722.33
7.0.200.0650.00614.90
7.0.80.0230.06719.96
7.0.70.0100.07720.14
7.0.60.0030.06019.95
7.0.50.0170.07020.40
7.0.40.0100.07720.13
7.0.30.0030.07720.18
7.0.20.0070.04020.04
7.0.10.0100.03720.12
7.0.00.0030.09320.03
5.6.280.0030.07321.11
5.6.230.0100.08020.67
5.6.220.0170.07720.72
5.6.210.0030.06020.64
5.6.200.0070.06321.05
5.6.190.0070.07721.04
5.6.180.0100.08721.03
5.6.170.0000.06021.00
5.6.160.0100.08021.11
5.6.150.0130.06020.97
5.6.140.0070.05021.04
5.6.130.0130.08721.04
5.6.120.0100.07021.09
5.6.110.0070.08021.01
5.6.100.0070.08321.02
5.6.90.0030.08321.04
5.6.80.0100.03720.41
5.6.70.0100.07720.34
5.6.60.0100.06720.41
5.6.50.0030.09020.40
5.6.40.0030.08020.46
5.6.30.0100.08020.46
5.6.20.0100.07720.30
5.6.10.0270.05320.29
5.6.00.0070.08020.34
5.5.370.0030.05320.45
5.5.360.0070.06720.40
5.5.350.0130.07720.46
5.5.340.0130.06020.89
5.5.330.0100.07720.64
5.5.320.0000.08020.61
5.5.310.0030.04720.86
5.5.300.0170.03320.86
5.5.290.0030.07720.77
5.5.280.0130.07320.75
5.5.270.0100.05720.85
5.5.260.0070.08020.90
5.5.250.0070.08020.69
5.5.240.0070.04320.11
5.5.230.0170.07320.27
5.5.220.0030.05720.23
5.5.210.0030.08320.27
5.5.200.0070.08020.13
5.5.190.0070.08320.25
5.5.180.0030.06320.14
5.5.160.0130.07320.17
5.5.150.0070.08020.10
5.5.140.0130.05320.14
5.5.130.0100.08020.12
5.5.120.0100.07320.23
5.5.110.0030.08720.22
5.5.100.0070.05720.11
5.5.90.0100.07319.96
5.5.80.0030.04720.09
5.5.70.0130.06720.05
5.5.60.0130.06720.09
5.5.50.0130.07320.11
5.5.40.0130.07320.13
5.5.30.0070.07719.98
5.5.20.0200.03320.13
5.5.10.0130.06719.93
5.5.00.0030.05319.95

preferences:
93.99 ms | 400 KiB | 5 Q