3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cd = new DateTime('2015-03-31'); echo "cd: " . $cd->format( 'Y-m-d' ) . "\n"; $cd->modify('previous month'); echo "cd: " . $cd->format( 'Y-m-d' ) . "\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)
8.3.60.0130.01016.75
8.3.50.0260.01121.29
8.3.40.0150.00018.69
8.3.30.0110.00318.91
8.3.20.0000.00818.77
8.3.10.0090.00021.73
8.3.00.0040.00421.75
8.2.180.0100.01018.79
8.2.170.0150.00422.96
8.2.160.0100.00322.25
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00019.91
8.2.120.0070.00026.35
8.2.110.0060.00320.65
8.2.100.0040.00818.03
8.2.90.0040.00419.25
8.2.80.0080.00017.97
8.2.70.0000.00817.88
8.2.60.0060.00318.05
8.2.50.0000.00918.10
8.2.40.0040.00420.73
8.2.30.0090.00019.43
8.2.20.0060.00318.12
8.2.10.0040.00418.17
8.2.00.0040.00417.93
8.1.280.0120.00925.92
8.1.270.0040.00422.16
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0000.01022.12
8.1.230.0110.00020.99
8.1.220.0030.00717.74
8.1.210.0000.00918.77
8.1.200.0060.00317.61
8.1.190.0000.00917.48
8.1.180.0080.00018.10
8.1.170.0080.00018.75
8.1.160.0000.00722.11
8.1.150.0040.00419.02
8.1.140.0000.00719.61
8.1.130.0050.00217.75
8.1.120.0030.00317.80
8.1.110.0080.00017.74
8.1.100.0070.00017.73
8.1.90.0040.00417.68
8.1.80.0050.00217.75
8.1.70.0000.00817.75
8.1.60.0090.00317.82
8.1.50.0040.00417.69
8.1.40.0060.00317.60
8.1.30.0000.00817.76
8.1.20.0020.00517.90
8.1.10.0040.00417.64
8.1.00.0030.00617.64
8.0.300.0040.00418.77
8.0.290.0020.00517.00
8.0.280.0030.00318.58
8.0.270.0030.00317.34
8.0.260.0030.00316.96
8.0.250.0040.00417.16
8.0.240.0000.00717.25
8.0.230.0000.01017.17
8.0.220.0000.00717.04
8.0.210.0040.00417.13
8.0.200.0000.00617.16
8.0.190.0050.00317.23
8.0.180.0000.00817.14
8.0.170.0060.00317.17
8.0.160.0040.00417.12
8.0.150.0000.00817.09
8.0.140.0070.00017.07
8.0.130.0030.00313.50
8.0.120.0060.00317.16
8.0.110.0040.00417.04
8.0.100.0040.00417.22
8.0.90.0000.00717.00
8.0.80.0150.00617.20
8.0.70.0000.00817.20
8.0.60.0040.00416.93
8.0.50.0000.00716.99
8.0.30.0140.00617.22
8.0.20.0100.00817.45
8.0.10.0000.00817.25
8.0.00.0090.01017.10
7.4.330.0050.00015.55
7.4.320.0060.00016.67
7.4.300.0060.00316.71
7.4.290.0050.00316.63
7.4.280.0060.00516.71
7.4.270.0030.00316.75
7.4.260.0030.00916.59
7.4.250.0000.00716.63
7.4.240.0050.00216.55
7.4.230.0000.00716.46
7.4.220.0070.01016.50
7.4.210.0050.01016.69
7.4.200.0070.00016.55
7.4.160.0090.00816.73
7.4.150.0180.00017.40
7.4.140.0100.01017.86
7.4.130.0150.00416.66
7.4.120.0080.01016.57
7.4.110.0110.00616.78
7.4.100.0080.00816.54
7.4.90.0070.01016.49
7.4.80.0100.00719.39
7.4.70.0070.01016.38
7.4.60.0160.00316.55
7.4.50.0070.00716.67
7.4.40.0100.00616.87
7.4.30.0060.01016.68
7.4.00.0070.00714.84
7.3.330.0000.00713.22
7.3.320.0000.00513.32
7.3.310.0050.00316.55
7.3.300.0000.00716.43
7.3.290.0070.00016.29
7.3.280.0100.00916.41
7.3.270.0120.00417.40
7.3.260.0140.00716.53
7.3.250.0130.00516.66
7.3.240.0050.01416.52
7.3.230.0100.00716.50
7.3.210.0130.00316.42
7.3.200.0000.01616.63
7.3.190.0070.01016.59
7.3.180.0080.01216.65
7.3.170.0200.00016.52
7.3.160.0070.01316.41
7.2.330.0100.00717.08
7.2.320.0170.00417.04
7.2.310.0110.01216.81
7.2.300.0060.01217.03
7.2.290.0100.01016.89
7.2.60.0070.00717.14
7.2.50.0060.00317.07
7.2.00.0030.01019.90
7.1.200.0050.00515.53
7.1.70.0030.01017.07
7.1.60.0140.00715.59
7.1.00.0070.07322.31
7.0.200.0150.00614.72
7.0.120.0070.07722.21
7.0.110.0100.08022.04
7.0.100.0130.06721.96
7.0.90.0100.07322.11
7.0.80.0170.05022.08
7.0.70.0130.06722.21
7.0.60.0030.06722.02
7.0.50.0200.05022.07
7.0.40.0030.06022.12
7.0.30.0030.05722.20
7.0.20.0070.05322.06
7.0.10.0170.06021.99
7.0.00.0070.07022.20
5.6.270.0230.06321.04
5.6.260.0170.05320.89
5.6.250.0100.06721.13
5.6.240.0100.07020.84
5.6.230.0100.06021.03
5.6.220.0070.06720.91
5.6.210.0070.05320.85
5.6.200.0100.05320.84
5.6.190.0070.05721.06
5.6.180.0070.05720.83
5.6.170.0030.05720.83
5.6.160.0130.05020.94
5.6.150.0070.07321.00
5.6.140.0130.06721.08
5.6.130.0100.08320.98
5.6.120.0070.06021.03
5.6.110.0170.07721.05
5.6.100.0130.05020.98
5.6.90.0130.06020.73
5.6.80.0070.06720.42
5.6.70.0070.06320.41
5.6.60.0130.06320.20
5.6.50.0100.07020.23
5.6.40.0070.06320.36
5.6.30.0130.05020.16
5.6.20.0070.05720.32
5.6.10.0070.05320.38
5.6.00.0030.06020.42

preferences:
58.55 ms | 401 KiB | 5 Q