3v4l.org

run code in 300+ PHP versions simultaneously
<?php function lastWeekDay ($mnt) { $result = strtotime("last day of $mnt"); $day = date('D', $result); if ('Sun' === $day) { $result -= 86400 * 2; } if ('Sat' === $day) { $result -= 86400; } return $result; } echo date('Y-m-d', mktime(0,0,0,date('n')-1,1,date('Y')));

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)
8.3.60.0150.00318.18
8.3.50.0130.00621.27
8.3.40.0110.00718.89
8.3.30.0100.00720.16
8.3.20.0040.00420.39
8.3.10.0090.00022.04
8.3.00.0020.00522.46
8.2.180.0090.00916.50
8.2.170.0100.00722.96
8.2.160.0100.00321.86
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0130.00326.16
8.2.120.0040.00421.11
8.2.110.0100.00020.39
8.2.100.0040.00817.91
8.2.90.0040.00419.08
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00717.80
8.2.50.0000.00918.07
8.2.40.0000.00818.06
8.2.30.0000.00718.05
8.2.20.0040.00417.74
8.2.10.0040.00417.63
8.2.00.0000.00717.68
8.1.280.0040.01125.92
8.1.270.0070.00023.99
8.1.260.0090.00026.35
8.1.250.0070.00328.09
8.1.240.0090.00319.52
8.1.230.0110.00017.52
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0070.00017.40
8.1.180.0070.00418.88
8.1.170.0000.00818.68
8.1.160.0040.00418.86
8.1.150.0000.00818.65
8.1.140.0050.00217.41
8.1.130.0030.00317.79
8.1.120.0070.00017.36
8.1.110.0000.00717.48
8.1.100.0000.00817.32
8.1.90.0050.00217.33
8.1.80.0040.00417.45
8.1.70.0000.00717.36
8.1.60.0050.00317.59
8.1.50.0000.00817.46
8.1.40.0000.00817.42
8.1.30.0000.00717.52
8.1.20.0030.00617.62
8.1.10.0000.00717.48
8.1.00.0040.00417.53
8.0.300.0070.00018.77
8.0.290.0080.00016.75
8.0.280.0080.00018.53
8.0.270.0070.00017.21
8.0.260.0040.00416.96
8.0.250.0030.00317.08
8.0.240.0070.00317.03
8.0.230.0030.00316.93
8.0.220.0030.00316.96
8.0.210.0000.00816.98
8.0.200.0030.00316.96
8.0.190.0040.00417.02
8.0.180.0000.00816.99
8.0.170.0000.00716.97
8.0.160.0030.00316.96
8.0.150.0030.00316.89
8.0.140.0000.00716.95
8.0.130.0060.00313.36
8.0.120.0040.00416.82
8.0.110.0030.00516.88
8.0.100.0000.00816.93
8.0.90.0000.00716.79
8.0.80.0080.00816.99
8.0.70.0080.00016.75
8.0.60.0000.00717.05
8.0.50.0050.00316.95
8.0.30.0130.00517.09
8.0.20.0080.01217.40
8.0.10.0040.00417.19
8.0.00.0120.00816.77
7.4.330.0050.00015.00
7.4.320.0000.00616.54
7.4.300.0000.00716.45
7.4.290.0000.00916.58
7.4.280.0030.00316.59
7.4.270.0030.00316.55
7.4.260.0080.00013.05
7.4.250.0000.00716.58
7.4.240.0050.00216.49
7.4.230.0030.00316.37
7.4.220.0070.01416.48
7.4.210.0100.00816.45
7.4.200.0030.00316.56
7.4.190.0040.00416.27
7.4.160.0040.01316.46
7.4.150.0070.01017.40
7.4.140.0070.01217.86
7.4.130.0050.01216.68
7.4.120.0110.00616.71
7.4.110.0070.01416.63
7.4.100.0170.00016.71
7.4.90.0100.00716.41
7.4.80.0210.00219.39
7.4.70.0130.00316.66
7.4.60.0110.00616.32
7.4.50.0030.00516.63
7.4.40.0090.00622.77
7.4.30.0070.01016.35
7.4.00.0110.00415.13
7.3.330.0030.00213.33
7.3.320.0060.00013.23
7.3.310.0030.00316.38
7.3.300.0030.00316.18
7.3.290.0090.00616.31
7.3.280.0070.00916.33
7.3.270.0080.00917.40
7.3.260.0120.00616.51
7.3.250.0140.00316.46
7.3.240.0130.00316.41
7.3.230.0110.00716.57
7.3.210.0100.00716.25
7.3.200.0130.00319.39
7.3.190.0150.00816.65
7.3.180.0090.00616.53
7.3.170.0060.00916.48
7.3.160.0030.01316.43
7.3.120.0160.00014.90
7.2.330.0090.00916.74
7.2.320.0030.01316.75
7.2.310.0090.00916.64
7.2.300.0140.00716.57
7.2.290.0060.00916.73
7.2.00.0080.00819.27
7.1.100.0000.01018.09
7.1.70.0050.00517.38
7.1.60.0130.00919.32
7.1.50.0070.01716.98
7.1.00.0030.03322.45
7.0.200.0040.00416.95
7.0.140.0030.07322.21
7.0.80.0630.08019.93
7.0.70.0500.06319.94
7.0.60.0530.06019.95
7.0.50.0570.06020.29
7.0.40.0070.08319.95
7.0.30.0130.08019.94
7.0.20.0130.07020.14
7.0.10.0070.08720.05
7.0.00.0130.08319.99
5.6.280.0130.06321.15
5.6.230.0070.06020.68
5.6.220.0130.07320.60
5.6.210.0170.07320.48
5.6.200.0100.07721.00
5.6.190.0130.08021.02
5.6.180.0130.06021.12
5.6.170.0030.06021.05
5.6.160.0030.05320.96
5.6.150.0170.07721.01
5.6.140.0030.09021.01
5.6.130.0070.09321.05
5.6.120.0070.08321.08
5.6.110.0130.07320.98
5.6.100.0130.05721.12
5.6.90.0100.08321.09
5.6.80.0030.08320.42
5.6.70.0100.07020.42
5.6.60.0070.05320.54
5.6.50.0000.08720.43
5.6.40.0200.03720.43
5.6.30.0100.05320.30
5.6.20.0130.07320.52
5.6.10.0130.06720.30
5.6.00.0200.07320.32
5.5.370.0100.04020.52
5.5.360.0030.09320.45
5.5.350.0130.06720.46
5.5.340.0030.07020.93
5.5.330.0070.08020.64
5.5.320.0130.07720.72
5.5.310.0100.07720.81
5.5.300.0070.07020.91
5.5.290.0100.08720.80
5.5.280.0070.08320.73
5.5.270.0200.06720.63
5.5.260.0030.08320.90
5.5.250.0030.06320.64
5.5.240.0100.07720.24
5.5.230.0130.07020.25
5.5.220.0130.07320.17
5.5.210.0170.06720.14
5.5.200.0030.08020.16
5.5.190.0130.07720.23
5.5.180.0030.08020.13
5.5.160.0170.07320.23
5.5.150.0000.09020.26
5.5.140.0130.07720.21
5.5.130.0030.05320.24
5.5.120.0070.07320.13
5.5.110.0070.08020.15
5.5.100.0100.05720.10
5.5.90.0070.04720.09
5.5.80.0130.06320.09
5.5.70.0100.04020.00
5.5.60.0130.07020.06
5.5.50.0130.05020.05
5.5.40.0070.07319.93
5.5.30.0070.07020.05
5.5.20.0070.08020.00
5.5.10.0100.06320.06
5.5.00.0030.04320.09
5.4.450.0070.07719.42
5.4.440.0100.06319.45
5.4.430.0100.07019.53
5.4.420.0070.08019.53
5.4.410.0030.04319.32
5.4.400.0000.08319.12
5.4.390.0130.07719.13
5.4.380.0170.06319.13
5.4.370.0030.07719.06
5.4.360.0030.05018.85
5.4.350.0100.07319.21
5.4.340.0130.06719.02
5.4.320.0000.07019.05
5.4.310.0030.07019.22
5.4.300.0030.05019.04
5.4.290.0070.07318.90
5.4.280.0130.06719.16
5.4.270.0100.07319.20
5.4.260.0000.06019.20
5.4.250.0130.07019.13
5.4.240.0100.07319.03
5.4.230.0030.03719.03
5.4.220.0100.07319.09
5.4.210.0130.04019.02
5.4.200.0070.07319.11
5.4.190.0030.05319.20
5.4.180.0000.07019.03
5.4.170.0070.06319.07
5.4.160.0030.08019.16
5.4.150.0100.08019.03
5.4.140.0070.06316.34
5.4.130.0070.05716.24
5.4.120.0030.07716.18
5.4.110.0100.06016.27
5.4.100.0070.07316.39
5.4.90.0100.06016.32
5.4.80.0130.06316.41
5.4.70.0030.06016.44
5.4.60.0030.04316.41
5.4.50.0100.07316.43
5.4.40.0070.04016.37
5.4.30.0030.07716.47
5.4.20.0130.05016.32
5.4.10.0070.04716.36
5.4.00.0030.04015.92
5.3.290.0070.04714.72
5.3.280.0030.07314.58
5.3.270.0100.07314.65
5.3.260.0070.07714.75
5.3.250.0070.07714.73
5.3.240.0130.07014.60
5.3.230.0030.07714.66
5.3.220.0030.07714.71
5.3.210.0070.07314.51
5.3.200.0100.06314.69
5.3.190.0030.07714.66
5.3.180.0170.06014.59
5.3.170.0100.07314.54
5.3.160.0030.08014.53
5.3.150.0100.07014.58
5.3.140.0030.07714.48
5.3.130.0000.08014.59
5.3.120.0000.07714.60
5.3.110.0030.07714.55
5.3.100.0070.07714.16
5.3.90.0170.07014.00
5.3.80.0170.07014.03
5.3.70.0170.06014.00
5.3.60.0070.06313.99
5.3.50.0070.04714.00
5.3.40.0030.07713.88
5.3.30.0100.06714.02
5.3.20.0100.06313.76
5.3.10.0100.06313.67
5.3.00.0100.06713.65
5.2.170.0000.03311.20
5.2.160.0030.04011.05
5.2.150.0000.03311.13
5.2.140.0030.06311.12
5.2.130.0100.05711.23
5.2.120.0170.05311.15
5.2.110.0070.06011.15
5.2.100.0070.06011.13
5.2.90.0030.06711.03
5.2.80.0030.06711.12
5.2.70.0070.04711.02
5.2.60.0000.07011.05
5.2.50.0070.06711.03
5.2.40.0070.06311.00
5.2.30.0070.06311.02
5.2.20.0070.05710.97
5.2.10.0030.06310.97
5.2.00.0100.05010.77
5.1.60.0030.05710.05
5.1.50.0000.05310.06
5.1.40.0100.05010.09
5.1.30.0030.05710.33
5.1.20.0070.05310.27
5.1.10.0070.04710.17
5.1.00.0030.03710.12
5.0.50.0070.0438.60
5.0.40.0030.0338.50
5.0.30.0070.0608.07
5.0.20.0030.0438.30
5.0.10.0000.0438.23
5.0.00.0000.0608.15
4.4.90.0000.0407.21
4.4.80.0030.0407.21
4.4.70.0070.0307.21
4.4.60.0000.0377.21
4.4.50.0030.0337.21
4.4.40.0000.0537.21
4.4.30.0030.0337.21
4.4.20.0000.0377.21
4.4.10.0030.0307.21
4.4.00.0030.0507.21
4.3.110.0000.0377.21
4.3.100.0070.0307.21
4.3.90.0070.0307.21
4.3.80.0030.0537.21
4.3.70.0000.0377.21
4.3.60.0000.0377.21
4.3.50.0000.0337.21
4.3.40.0070.0507.21
4.3.30.0000.0307.21
4.3.20.0100.0277.21
4.3.10.0000.0337.21
4.3.00.0070.0307.21

preferences:
41.99 ms | 401 KiB | 5 Q