3v4l.org

run code in 300+ PHP versions simultaneously
<?php function _getRollingMonths($months = 12) { $currentTime = strtotime('2015-01-30'); $dates = array(); for($i=$months-1;$i>=0;$i--) { $dates[] = array( 'year' => date('Y', strtotime("first day of -$i months", $currentTime)), 'month' => date('m', strtotime("first day of -$i months", $currentTime)), 'monthName' => date('M', strtotime("first day of -$i months", $currentTime)) ); } return $dates; } function debug($var) { echo "<pre>"; print_r($var); echo "</pre>"; } debug(_getRollingMonths(15));

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)
8.3.60.0160.00318.68
8.3.50.0160.00622.24
8.3.40.0110.00419.05
8.3.30.0060.00819.18
8.3.20.0060.00320.16
8.3.10.0050.00321.80
8.3.00.0000.00819.08
8.2.180.0060.01216.88
8.2.170.0140.00722.96
8.2.160.0080.00622.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00019.90
8.2.110.0060.00322.10
8.2.100.0040.00818.16
8.2.90.0030.00619.34
8.2.80.0000.00817.97
8.2.70.0030.00617.72
8.2.60.0050.00318.05
8.2.50.0030.00618.07
8.2.40.0040.00418.17
8.2.30.0000.00718.13
8.2.20.0050.00318.07
8.2.10.0040.00418.13
8.2.00.0000.00818.09
8.1.280.0200.00325.92
8.1.270.0030.00618.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00723.97
8.1.230.0040.00719.13
8.1.220.0090.00017.91
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0060.00318.84
8.1.160.0040.00422.05
8.1.150.0040.00418.88
8.1.140.0000.00919.30
8.1.130.0050.00317.83
8.1.120.0040.00417.70
8.1.110.0050.00317.60
8.1.100.0040.00417.68
8.1.90.0040.00417.64
8.1.80.0070.00017.55
8.1.70.0030.00317.64
8.1.60.0060.00317.71
8.1.50.0070.00417.61
8.1.40.0030.00617.71
8.1.30.0000.00817.68
8.1.20.0080.00017.75
8.1.10.0050.00317.72
8.1.00.0080.00017.67
8.0.300.0040.00418.77
8.0.290.0080.00017.00
8.0.280.0040.00418.46
8.0.270.0030.00317.24
8.0.260.0040.00417.41
8.0.250.0040.00417.11
8.0.240.0030.00317.11
8.0.230.0040.00417.08
8.0.220.0050.00317.16
8.0.210.0030.00517.12
8.0.200.0000.00717.14
8.0.190.0040.00417.23
8.0.180.0040.00417.21
8.0.170.0000.00817.20
8.0.160.0000.00817.20
8.0.150.0030.00617.09
8.0.140.0040.00417.01
8.0.130.0060.00013.48
8.0.120.0000.00917.04
8.0.110.0080.00017.12
8.0.100.0040.00416.96
8.0.90.0000.00816.96
8.0.80.0090.00917.11
8.0.70.0040.00417.25
8.0.60.0040.00417.13
8.0.50.0000.00816.95
8.0.30.0150.01117.48
8.0.20.0120.00717.40
8.0.10.0040.00417.29
8.0.00.0130.00917.11
7.4.330.0000.00515.16
7.4.320.0030.00316.73
7.4.300.0070.00016.66
7.4.290.0030.00316.69
7.4.280.0080.00016.79
7.4.270.0070.00016.57
7.4.260.0040.00416.77
7.4.250.0000.00816.81
7.4.240.0040.00416.80
7.4.230.0030.00316.70
7.4.220.0140.01016.57
7.4.210.0100.00516.92
7.4.200.0030.00316.61
7.4.160.0060.00916.60
7.4.150.0060.01217.40
7.4.140.0090.00917.86
7.4.130.0130.00716.76
7.4.120.0060.01216.77
7.4.110.0030.01516.70
7.4.100.0110.00716.66
7.4.90.0030.01516.78
7.4.80.0060.01619.39
7.4.70.0080.00816.64
7.4.60.0110.00616.76
7.4.50.0000.00916.68
7.4.40.0130.00716.75
7.4.30.0080.01116.74
7.4.00.0050.01215.22
7.3.330.0000.00713.47
7.3.320.0050.00013.44
7.3.310.0000.00716.69
7.3.300.0000.00716.38
7.3.290.0110.00316.63
7.3.280.0070.00816.56
7.3.270.0100.00717.40
7.3.260.0030.01316.88
7.3.250.0120.00516.75
7.3.240.0100.00716.71
7.3.230.0150.00316.72
7.3.210.0110.01116.93
7.3.200.0120.00919.39
7.3.190.0110.00616.83
7.3.180.0100.00616.57
7.3.170.0180.00416.61
7.3.160.0030.01416.77
7.3.120.0170.00115.01
7.3.110.0060.01115.02
7.3.100.0060.00915.03
7.3.90.0060.00814.96
7.3.80.0010.01115.14
7.3.70.0070.00815.22
7.3.60.0060.00714.93
7.3.50.0050.00915.00
7.3.40.0080.00615.14
7.3.30.0040.00915.13
7.3.20.0060.01016.93
7.3.10.0080.00516.90
7.3.00.0020.01516.94
7.2.330.0100.00717.14
7.2.320.0040.01316.96
7.2.310.0110.01116.91
7.2.300.0120.00616.79
7.2.290.0120.01216.82
7.2.250.0030.01615.39
7.2.240.0110.00715.40
7.2.230.0070.00915.35
7.2.220.0020.01015.46
7.2.210.0060.00615.46
7.2.200.0020.00815.36
7.2.190.0020.01115.12
7.2.180.0060.01115.38
7.2.170.0060.00715.34
7.2.160.0060.00915.19
7.2.150.0100.00617.23
7.2.140.0050.00517.25
7.2.130.0000.00816.97
7.2.120.0060.00617.07
7.2.110.0040.00417.14
7.2.100.0030.01317.14
7.2.90.0070.00717.38
7.2.80.0120.00317.14
7.2.70.0040.01517.28
7.2.60.0030.01217.17
7.2.50.0070.00717.26
7.2.40.0080.00617.25
7.2.30.0000.01017.27
7.2.20.0100.00717.11
7.2.10.0090.00616.96
7.2.00.0060.00917.36
7.1.330.0050.00716.21
7.1.320.0030.00915.84
7.1.310.0020.01015.94
7.1.300.0050.00515.85
7.1.290.0060.00816.00
7.1.280.0040.00815.89
7.1.270.0070.00515.90
7.1.260.0090.00616.01
7.1.250.0080.00616.13
7.1.200.0000.01616.10
7.1.70.0070.01017.47
7.1.60.0090.00919.46
7.1.50.0170.02135.16
7.1.00.0170.05722.54
7.0.200.0030.00716.88
7.0.140.0030.05721.99
7.0.90.0070.07321.66
7.0.80.0130.04321.76
7.0.70.0030.05721.70
7.0.60.0030.08021.77
7.0.50.0030.08722.14
7.0.40.0030.08320.13
7.0.30.0200.07020.18
7.0.20.0070.08320.07
7.0.10.0000.05320.18
7.0.00.0000.07720.07
5.6.280.0100.06721.14
5.6.240.0070.08720.71
5.6.230.0070.06720.67
5.6.220.0000.09320.62
5.6.210.0030.08020.63
5.6.200.0070.08320.93
5.6.190.0070.07321.05
5.6.180.0070.07320.96
5.6.170.0070.08721.11
5.6.160.0070.07721.17
5.6.150.0030.07021.08
5.6.140.0030.07721.04
5.6.130.0030.08021.09
5.6.120.0100.07021.11
5.6.110.0030.06721.04
5.6.100.0070.08020.94
5.6.90.0000.08321.01
5.6.80.0070.07320.38
5.6.70.0000.07720.42
5.6.60.0030.08020.39
5.6.50.0030.08020.50
5.6.40.0030.07720.36
5.6.30.0030.05020.45
5.6.20.0000.07720.36
5.6.10.0030.08020.42
5.6.00.0030.08020.28
5.5.380.0030.04720.46
5.5.370.0000.05020.37
5.5.360.0070.06320.51
5.5.350.0070.04720.48
5.5.340.0070.06020.92
5.5.330.0100.07720.79
5.5.320.0100.04320.85
5.5.310.0070.07020.87
5.5.300.0070.06720.84
5.5.290.0100.07320.77
5.5.280.0100.06720.87
5.5.270.0070.05320.75
5.5.260.0030.06320.86
5.5.250.0030.06020.58
5.5.240.0070.07320.28
5.5.230.0070.06720.12
5.5.220.0030.04020.30
5.5.210.0100.07320.21
5.5.200.0000.08020.21
5.5.190.0100.04020.25
5.5.180.0030.08020.25
5.5.160.0070.03720.16
5.5.150.0000.05720.23
5.5.140.0130.07020.18
5.5.130.0070.04320.15
5.5.120.0130.06320.24
5.5.110.0000.05020.28
5.5.100.0070.07320.17
5.5.90.0100.07720.10
5.5.80.0130.07020.11
5.5.70.0030.06319.97
5.5.60.0070.08020.11
5.5.50.0030.07720.08
5.5.40.0100.07320.15
5.5.30.0070.06020.12
5.5.20.0070.07720.06
5.5.10.0030.08020.11
5.5.00.0070.07320.04
5.4.450.0030.08019.36
5.4.440.0000.07719.46
5.4.430.0000.04019.53
5.4.420.0100.07719.22
5.4.410.0000.08319.42
5.4.400.0070.03019.19
5.4.390.0030.05318.91
5.4.380.0100.05019.21
5.4.370.0070.06319.14
5.4.360.0100.04319.21
5.4.350.0070.04319.22
5.4.340.0070.07719.03
5.4.320.0030.08019.21
5.4.310.0070.07319.03
5.4.300.0100.07019.22
5.4.290.0100.06319.11
5.4.280.0030.04718.92
5.4.270.0070.04018.90
5.4.260.0070.07719.18
5.4.250.0070.07719.02
5.4.240.0030.04318.91
5.4.230.0100.06319.15
5.4.220.0030.08319.02
5.4.210.0030.07319.17
5.4.200.0100.06318.88
5.4.190.0100.07019.11
5.4.180.0130.06019.12
5.4.170.0100.05019.08
5.4.160.0030.07319.16
5.4.150.0200.05019.16
5.4.140.0070.07716.30
5.4.130.0070.07316.38
5.4.120.0130.06016.38
5.4.110.0030.07716.39
5.4.100.0000.08016.45
5.4.90.0030.04016.38
5.4.80.0030.05316.42
5.4.70.0030.03316.41
5.4.60.0000.03716.46
5.4.50.0030.03316.33
5.4.40.0030.03316.41
5.4.30.0030.03316.42
5.4.20.0000.03316.46
5.4.10.0000.03716.48
5.4.00.0000.03715.86
5.3.290.0070.07014.77
5.3.280.0000.08014.63
5.3.270.0070.05314.72
5.3.260.0070.04714.75
5.3.250.0000.05714.75
5.3.240.0030.05014.57
5.3.230.0030.07714.53
5.3.220.0030.06714.61
5.3.210.0070.07314.57
5.3.200.0000.04714.71
5.3.190.0000.05314.70
5.3.180.0070.03314.56
5.3.170.0070.03314.60
5.3.160.0000.04014.50
5.3.150.0030.03714.63
5.3.140.0000.04014.55
5.3.130.0030.03714.58
5.3.120.0030.04314.56
5.3.110.0030.03714.58
5.3.100.0030.03313.96
5.3.90.0030.03313.98
5.3.80.0070.03313.95
5.3.70.0000.04014.00
5.3.60.0030.06314.13
5.3.50.0000.07713.98
5.3.40.0030.07313.88
5.3.30.0030.03714.05
5.3.20.0070.06713.63
5.3.10.0030.03313.74
5.3.00.0030.03313.70
5.2.170.0000.07011.02
5.2.160.0030.02711.05
5.2.150.0000.03311.27
5.2.140.0030.02711.08
5.2.130.0030.02711.23
5.2.120.0000.05311.02
5.2.110.0030.02711.14
5.2.100.0000.02711.11
5.2.90.0000.03011.18
5.2.80.0030.05711.20
5.2.70.0000.03011.18
5.2.60.0000.03710.99
5.2.50.0000.03711.09
5.2.40.0000.02711.14
5.2.30.0070.02311.01
5.2.20.0070.02310.91
5.2.10.0000.03310.87
5.2.00.0030.03010.65
5.1.60.0030.02310.32
5.1.50.0000.02710.32
5.1.40.0070.02010.32
5.1.30.0000.02710.42
5.1.20.0000.02710.32
5.1.10.0030.02310.32
5.1.00.0000.02310.32
5.0.50.0000.02010.32
5.0.40.0030.01710.32
5.0.30.0030.02710.32
5.0.20.0000.02010.32
5.0.10.0030.01310.32
5.0.00.0000.03310.32
4.4.90.0030.02010.32
4.4.80.0000.01710.32
4.4.70.0000.02010.32
4.4.60.0030.02710.32
4.4.50.0030.01310.32
4.4.40.0000.02310.32
4.4.30.0030.01310.32
4.4.20.0000.01710.32
4.4.10.0000.01710.32
4.4.00.0030.02710.32
4.3.110.0000.01710.32
4.3.100.0000.01310.32
4.3.90.0030.01310.32
4.3.80.0000.02710.32
4.3.70.0000.02010.32
4.3.60.0000.01310.32
4.3.50.0000.01710.32
4.3.40.0000.02310.32
4.3.30.0030.01010.32
4.3.20.0000.01710.32
4.3.10.0030.01710.32
4.3.00.0000.01710.32

preferences:
45.89 ms | 401 KiB | 5 Q