3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$writer = new XMLWriter(); //echo var_dump(getdate(strtotime("2013-2"))); echo date("Y-m-t", getdate(strtotime("2013-2"))); //echo date("Y-m-t", strtotime("first day of previous month") ) ;

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)
8.3.60.0170.00018.68
8.3.50.0090.01221.16
8.3.40.0070.00718.95
8.3.30.0140.00019.17
8.3.20.0050.00220.20
8.3.10.0080.00023.48
8.3.00.0080.00019.63
8.2.180.0100.00718.64
8.2.170.0110.00322.96
8.2.160.0110.00419.08
8.2.150.0050.00224.18
8.2.140.0030.00524.66
8.2.130.0000.01026.16
8.2.120.0110.00019.21
8.2.110.0060.00322.13
8.2.100.0000.01217.75
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0080.00017.85
8.2.60.0060.00617.68
8.2.50.0050.00318.07
8.2.40.0080.00020.01
8.2.30.0040.00417.95
8.2.20.0070.00017.92
8.2.10.0000.00717.93
8.2.00.0020.00517.93
8.1.280.0150.00425.92
8.1.270.0040.00423.82
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0050.00523.97
8.1.230.0060.00619.16
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.48
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00418.70
8.1.160.0020.00521.87
8.1.150.0000.00818.73
8.1.140.0040.00417.55
8.1.130.0030.00317.82
8.1.120.0000.00717.55
8.1.110.0040.00417.55
8.1.100.0000.00717.55
8.1.90.0030.00617.55
8.1.80.0070.00017.53
8.1.70.0040.00417.52
8.1.60.0030.00517.63
8.1.50.0090.00017.57
8.1.40.0000.00917.57
8.1.30.0030.00617.71
8.1.20.0050.00317.60
8.1.10.0060.00317.50
8.1.00.0000.00717.61
8.0.300.0030.00618.77
8.0.290.0040.00416.88
8.0.280.0040.00418.45
8.0.270.0000.00817.29
8.0.260.0070.00017.23
8.0.250.0030.00317.16
8.0.240.0040.00417.18
8.0.230.0070.00017.13
8.0.220.0050.00217.12
8.0.210.0060.00016.99
8.0.200.0070.00017.13
8.0.190.0040.00417.16
8.0.180.0100.00017.09
8.0.170.0040.00417.04
8.0.160.0070.00017.11
8.0.150.0040.00416.93
8.0.140.0000.00717.08
8.0.130.0080.00013.41
8.0.120.0040.00416.93
8.0.110.0000.00817.05
8.0.100.0050.00316.91
8.0.90.0040.00417.03
8.0.80.0130.00317.05
8.0.70.0000.00717.11
8.0.60.0030.00617.05
8.0.50.0000.00716.96
8.0.30.0120.00717.28
8.0.20.0150.00617.40
8.0.10.0070.00017.16
8.0.00.0100.00816.89
7.4.330.0000.00415.02
7.4.320.0000.00816.47
7.4.300.0000.00716.60
7.4.290.0040.00416.49
7.4.280.0080.00016.38
7.4.270.0040.00416.47
7.4.260.0050.00216.55
7.4.250.0000.00716.55
7.4.240.0050.00316.55
7.4.230.0030.00316.65
7.4.220.0160.01116.43
7.4.210.0030.01616.64
7.4.200.0050.00316.63
7.4.160.0040.01716.57
7.4.150.0100.01317.40
7.4.140.0100.01017.86
7.4.130.0090.00916.57
7.4.120.0090.00916.51
7.4.110.0100.01016.54
7.4.100.0140.00716.41
7.4.90.0120.00616.56
7.4.80.0100.00719.39
7.4.70.0100.00716.39
7.4.60.0040.01216.48
7.4.50.0000.00416.48
7.4.40.0090.00916.62
7.4.30.0030.01716.50
7.4.00.0030.01314.94
7.3.330.0050.00013.22
7.3.320.0030.00313.23
7.3.310.0030.00316.26
7.3.300.0050.00216.31
7.3.290.0050.01016.33
7.3.280.0070.01016.29
7.3.270.0190.00417.40
7.3.260.0090.01216.34
7.3.250.0060.01016.53
7.3.240.0090.00916.54
7.3.230.0100.00716.54
7.3.210.0130.00316.32
7.3.200.0100.00719.39
7.3.190.0140.00416.39
7.3.180.0080.00816.53
7.3.170.0040.01216.41
7.3.160.0090.00616.66
7.2.330.0130.01016.51
7.2.320.0130.00316.59
7.2.310.0110.01216.40
7.2.300.0160.00016.61
7.2.290.0110.01216.54
7.2.60.0000.01016.84
7.2.00.0110.00419.44
7.1.200.0080.00315.86
7.1.70.0000.01017.20
7.1.60.0030.00917.18
7.1.50.0030.01317.11
7.1.00.0000.08022.27
7.0.200.0040.01116.79
7.0.140.0070.07022.01
7.0.110.0600.07019.89
7.0.100.0470.08319.84
7.0.90.0570.08019.84
7.0.80.0770.06719.93
7.0.70.0600.08019.98
7.0.60.0630.07319.93
7.0.50.0700.07319.90
7.0.40.0030.05319.70
7.0.30.0100.08319.69
7.0.20.0170.07019.68
7.0.10.0070.05019.60
7.0.00.0100.07719.79
5.6.260.0000.09020.64
5.6.250.0130.07720.63
5.6.240.0000.08020.64
5.6.230.0000.08720.63
5.6.220.0100.09020.50
5.6.210.0070.08020.64
5.6.200.0070.08020.59
5.6.190.0030.08020.55
5.6.180.0130.07720.60
5.6.170.0100.07720.49
5.6.160.0100.07320.53
5.6.150.0100.08020.58
5.6.140.0130.08020.58
5.6.130.0070.07720.59
5.6.120.0000.08320.41
5.6.110.0030.04320.52
5.6.100.0170.07720.59
5.6.90.0070.04720.47
5.6.80.0070.08019.79
5.6.70.0170.06319.89
5.6.60.0130.07720.01
5.6.50.0130.07019.79
5.6.40.0070.08019.91
5.6.30.0170.07019.89
5.6.20.0170.06719.87
5.6.10.0130.04019.89
5.6.00.0100.07319.95
5.5.380.0130.07017.57
5.5.370.0100.07017.63
5.5.360.0100.05017.57
5.5.350.0200.06017.66
5.5.340.0030.08318.16
5.5.330.0130.07018.25
5.5.320.0030.08317.85
5.5.310.0170.07317.86
5.5.300.0100.07018.12
5.5.290.0070.08018.16
5.5.280.0070.07717.89
5.5.270.0070.04018.17
5.5.260.0070.07717.99
5.5.250.0100.07717.97
5.5.240.0170.06717.26
5.5.230.0000.08317.54
5.5.220.0070.07717.49
5.5.210.0030.05317.63
5.5.200.0030.07717.26
5.5.190.0100.07317.45
5.5.180.0000.08317.41
5.5.160.0030.08317.36
5.5.150.0030.08317.59
5.5.140.0100.07317.38
5.5.130.0100.07017.45
5.5.120.0070.06717.33
5.5.110.0130.04717.46
5.5.100.0070.07017.02
5.5.90.0030.07717.40
5.5.80.0070.08017.02
5.5.70.0130.06717.01
5.5.60.0200.06717.41
5.5.50.0030.07017.51
5.5.40.0070.07717.09
5.5.30.0100.07317.09
5.5.20.0070.07317.08
5.5.10.0000.07717.37
5.5.00.0130.07317.24
5.4.450.0030.07719.23
5.4.440.0030.08319.42
5.4.430.0030.05719.54
5.4.420.0070.08019.20
5.4.410.0070.03719.22
5.4.400.0130.06719.20
5.4.390.0030.05018.93
5.4.380.0070.07718.95
5.4.370.0000.08318.93
5.4.360.0100.05718.95
5.4.350.0070.03719.11
5.4.340.0070.07319.02
5.4.320.0070.07319.07
5.4.310.0100.07319.20
5.4.300.0070.07719.22
5.4.290.0130.07018.93
5.4.280.0070.08018.93
5.4.270.0030.08019.20
5.4.260.0030.08019.06
5.4.250.0130.06319.10
5.4.240.0070.07719.06
5.4.230.0100.04319.05
5.4.220.0130.07018.92
5.4.210.0100.07318.96
5.4.200.0030.04018.98
5.4.190.0130.04319.06
5.4.180.0130.07318.92
5.4.170.0100.07319.21
5.4.160.0130.07319.05
5.4.150.0070.07718.91
5.4.140.0070.07716.21
5.4.130.0030.04716.19
5.4.120.0130.06016.56
5.4.110.0070.07016.53
5.4.100.0100.07016.50
5.4.90.0070.07016.29
5.4.80.0170.06316.39
5.4.70.0130.06716.52
5.4.60.0070.07016.13
5.4.50.0070.04316.20
5.4.40.0070.07016.16
5.4.30.0000.04716.40
5.4.20.0000.08016.44
5.4.10.0130.06316.44
5.4.00.0030.04715.64
5.3.290.0070.08014.66
5.3.280.0030.08314.59
5.3.270.0100.07314.57
5.3.260.0000.04314.49
5.3.250.0030.07714.46
5.3.240.0030.07014.40
5.3.230.0030.08014.54
5.3.220.0070.07314.64
5.3.210.0100.04014.36
5.3.200.0030.07014.39
5.3.190.0130.03714.56
5.3.180.0170.06314.45
5.3.170.0030.04714.47
5.3.160.0030.08014.46
5.3.150.0030.07314.42
5.3.140.0100.04014.64
5.3.130.0130.07314.41
5.3.120.0070.06014.45
5.3.110.0000.08014.49
5.3.100.0070.06013.94
5.3.90.0030.05314.07
5.3.80.0070.07014.03
5.3.70.0100.07314.04
5.3.60.0000.04714.01
5.3.50.0030.07313.83
5.3.40.0100.06713.87
5.3.30.0200.05713.70
5.3.20.0070.05713.56
5.3.10.0070.06313.47
5.3.00.0070.06713.51
5.2.170.0000.06711.03
5.2.160.0130.05011.09
5.2.150.0100.05311.14
5.2.140.0070.05011.20
5.2.130.0070.06011.02
5.2.120.0070.06011.04
5.2.110.0100.04711.11
5.2.100.0000.03711.01
5.2.90.0100.06011.05
5.2.80.0130.05711.04
5.2.70.0070.05711.03
5.2.60.0070.06311.00
5.2.50.0100.06010.96
5.2.40.0070.05010.91
5.2.30.0000.06011.03
5.2.20.0030.06310.75
5.2.10.0070.05310.85
5.2.00.0100.05010.62
5.1.60.0030.05710.15
5.1.50.0070.0379.81
5.1.40.0000.0609.86
5.1.30.0030.04710.31
5.1.20.0070.05310.32
5.1.10.0030.06010.02
5.1.00.0000.0539.99
5.0.50.0030.0308.46
5.0.40.0100.0378.55
5.0.30.0070.0678.20
5.0.20.0070.0408.34
5.0.10.0030.0338.14
5.0.00.0000.0678.14
4.4.90.0000.0337.09
4.4.80.0000.0377.09
4.4.70.0000.0407.09
4.4.60.0000.0377.09
4.4.50.0030.0337.09
4.4.40.0000.0307.09
4.4.30.0030.0337.09
4.4.20.0000.0337.09
4.4.10.0070.0337.09
4.4.00.0070.0507.09
4.3.110.0000.0337.09
4.3.100.0070.0277.09
4.3.90.0030.0337.09
4.3.80.0070.0507.09
4.3.70.0000.0277.09
4.3.60.0000.0337.09
4.3.50.0000.0337.09
4.3.40.0070.0477.09
4.3.30.0100.0237.09
4.3.20.0070.0277.09
4.3.10.0030.0337.09
4.3.00.0000.0377.09

preferences:
50.01 ms | 401 KiB | 5 Q