3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lastmonday = strtotime('last monday of this month'); echo date('Y-m-d',$lastmonday); $firstday = strtotime('first day of this month'); echo date('Y-m-d',$firstday); $d1 = new DateTime($lastmonday); $dd1 = $d1->format('Y-m-d'); $d2 = new DateTime($firstday); $dd2 = $d2->format('Y-m-d'); $period_serv = $dd1->diff($dd2); $theperiod = $period_serv->format('%a'); echo $theperiod;

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)
8.3.60.0180.00018.43
8.3.50.0070.01116.54
8.3.40.0070.00719.14
8.3.30.0110.00418.96
8.3.20.0050.00320.21
8.3.10.0080.00021.72
8.3.00.0060.00317.93
8.2.180.0070.01118.43
8.2.170.0070.00722.96
8.2.160.0140.00319.37
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0030.00617.88
8.2.110.0000.00922.37
8.2.100.0090.00319.61
8.2.90.0000.00719.17
8.2.80.0000.00818.00
8.2.70.0080.00017.88
8.2.60.0000.00818.05
8.2.50.0000.00818.07
8.2.40.0040.00419.56
8.2.30.0000.00819.91
8.2.20.0000.00717.87
8.2.10.0040.00418.09
8.2.00.0040.00418.03
8.1.270.0110.00420.38
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.66
8.1.230.0120.00017.61
8.1.220.0050.00317.89
8.1.210.0090.00018.77
8.1.200.0030.00617.61
8.1.190.0000.00817.48
8.1.180.0040.00418.10
8.1.170.0000.00818.70
8.1.160.0040.00421.94
8.1.150.0020.00518.99
8.1.140.0030.00517.64
8.1.130.0040.00417.76
8.1.120.0000.00717.67
8.1.110.0050.00217.68
8.1.100.0050.00217.53
8.1.90.0040.00417.54
8.1.80.0060.00317.65
8.1.70.0050.00317.67
8.1.60.0030.00617.66
8.1.50.0030.00617.68
8.1.40.0050.00317.59
8.1.30.0030.00517.87
8.1.20.0000.00817.78
8.1.10.0040.00417.68
8.1.00.0040.00417.79
8.0.300.0000.00718.77
8.0.290.0000.00816.88
8.0.280.0030.00318.59
8.0.270.0000.00717.44
8.0.260.0030.00617.40
8.0.250.0050.00317.31
8.0.240.0020.00517.20
8.0.230.0040.00417.12
8.0.220.0030.00317.05
8.0.210.0000.00717.03
8.0.200.0050.00317.23
8.0.190.0070.00017.23
8.0.180.0070.00217.05
8.0.170.0080.00017.15
8.0.160.0040.00417.03
8.0.150.0040.00417.02
8.0.140.0040.00417.02
8.0.130.0030.00313.49
8.0.120.0000.00817.08
8.0.110.0040.00417.06
8.0.100.0040.00417.02
8.0.90.0040.00417.14
8.0.80.0110.00717.20
8.0.70.0000.00717.19
8.0.60.0030.00617.27
8.0.50.0030.00616.98
8.0.30.0110.00917.33
8.0.20.0080.01117.41
8.0.10.0040.00417.30
8.0.00.0090.01016.84
7.4.330.0030.00315.27
7.4.320.0030.00316.78
7.4.300.0060.00016.77
7.4.290.0000.00816.75
7.4.280.0000.00816.82
7.4.270.0000.00616.77
7.4.260.0030.00313.39
7.4.250.0040.00416.71
7.4.240.0030.00416.63
7.4.230.0030.00316.85
7.4.220.0210.00316.78
7.4.210.0040.01116.74
7.4.200.0000.00716.79
7.4.160.0090.00616.72
7.4.150.0070.01117.40
7.4.140.0130.00917.86
7.4.130.0140.00516.66
7.4.120.0130.00416.89
7.4.110.0070.01016.76
7.4.100.0200.00316.65
7.4.90.0030.01416.82
7.4.80.0090.00919.39
7.4.70.0070.01016.71
7.4.60.0080.00816.78
7.4.50.0050.00316.84
7.4.40.0170.00616.53
7.4.30.0160.00616.80
7.4.00.0110.00615.34
7.3.330.0060.00013.14
7.3.320.0060.00013.36
7.3.310.0030.00316.42
7.3.300.0070.00016.38
7.3.290.0080.00816.47
7.3.280.0090.00916.52
7.3.270.0080.01117.40
7.3.260.0070.01016.64
7.3.250.0100.00916.49
7.3.240.0090.00916.61
7.3.230.0070.01016.45
7.3.210.0080.00816.51
7.3.200.0060.00916.87
7.3.190.0100.01316.53
7.3.180.0090.00916.49
7.3.170.0040.01916.41
7.3.160.0000.01716.67
7.3.120.0100.00614.99
7.3.110.0070.01014.91
7.3.100.0100.00415.01
7.3.90.0060.00714.74
7.3.80.0070.00415.01
7.3.70.0040.00915.04
7.3.60.0090.00614.99
7.3.50.0060.00715.08
7.3.40.0040.01114.99
7.3.30.0060.00815.03
7.3.20.0070.00616.94
7.3.10.0050.00816.75
7.3.00.0100.00516.79
7.2.330.0060.01316.59
7.2.320.0130.00316.61
7.2.310.0100.00616.91
7.2.300.0130.00316.89
7.2.290.0190.00316.78
7.2.250.0050.01615.40
7.2.240.0060.01215.22
7.2.230.0080.00815.30
7.2.220.0030.00915.13
7.2.210.0040.00815.16
7.2.200.0040.01115.30
7.2.190.0060.00915.17
7.2.180.0060.00815.27
7.2.170.0040.01015.33
7.2.160.0060.00915.21
7.2.150.0130.00017.17
7.2.140.0130.00317.18
7.2.130.0100.00617.18
7.2.120.0120.00317.09
7.2.110.0040.00816.94
7.2.100.0070.00716.95
7.2.90.0060.00716.96
7.2.80.0100.00317.24
7.2.70.0070.01016.95
7.2.60.0030.01217.17
7.2.50.0110.00816.85
7.2.40.0000.01417.16
7.2.30.0110.00317.11
7.2.20.0040.00816.83
7.2.10.0040.01517.18
7.2.00.0030.01018.50
7.1.330.0060.00816.00
7.1.320.0050.00815.90
7.1.310.0040.00915.98
7.1.300.0080.00716.05
7.1.290.0080.00615.92
7.1.280.0070.00715.88
7.1.270.0070.00615.97
7.1.260.0110.00415.88
7.1.250.0080.00815.89
7.1.200.0150.00415.52
7.1.100.0040.00718.43
7.1.70.0030.01217.52
7.1.60.0060.01319.27
7.1.50.0030.01917.22
7.1.00.0000.08022.42
7.0.200.0000.00817.07
7.0.90.0030.05321.74
7.0.80.0000.06021.74
7.0.70.0030.08021.64
7.0.60.0100.07721.66
7.0.50.0070.05322.11
7.0.40.0030.05020.08
7.0.30.0100.07720.07
7.0.20.0000.05720.14
7.0.10.0070.08020.17
7.0.00.0000.08019.95
5.6.280.0030.06721.02
5.6.240.0100.07320.66
5.6.230.0070.06320.63
5.6.220.0130.06020.61
5.6.210.0030.04020.64
5.6.200.0070.06720.96
5.6.190.0070.04720.97
5.6.180.0100.04721.06
5.6.170.0000.09021.05
5.6.160.0070.04021.04
5.6.150.0030.05021.02
5.6.140.0000.08321.05
5.6.130.0130.07321.16
5.6.120.0070.05721.08
5.6.110.0070.08721.03
5.6.100.0030.08320.93
5.6.90.0000.05321.00
5.6.80.0070.06720.40
5.6.70.0130.06720.30
5.6.60.0030.04320.49
5.6.50.0070.04320.55
5.6.40.0100.08020.46
5.6.30.0070.04320.53
5.6.20.0030.06020.42
5.6.10.0100.07720.37
5.6.00.0100.04720.44
5.5.380.0030.08320.39
5.5.370.0030.04720.37
5.5.360.0030.06020.33
5.5.350.0000.05320.32
5.5.340.0030.08020.84
5.5.330.0000.07020.79
5.5.320.0000.05720.72
5.5.310.0000.07720.92
5.5.300.0130.06320.70
5.5.290.0000.05720.87
5.5.280.0100.07320.91
5.5.270.0070.07020.86
5.5.260.0030.06020.70
5.5.250.0000.08320.73
5.5.240.0100.07720.19
5.5.230.0030.07020.29
5.5.220.0030.07020.24
5.5.210.0030.05020.14
5.5.200.0030.03720.23
5.5.190.0070.08020.23
5.5.180.0070.07720.14
5.5.160.0000.06020.18
5.5.150.0030.08020.17
5.5.140.0030.07020.22
5.5.130.0030.05720.27
5.5.120.0070.06020.11
5.5.110.0030.08320.25
5.5.100.0030.06319.96
5.5.90.0000.05320.16
5.5.80.0030.07720.00
5.5.70.0030.07320.15
5.5.60.0070.04020.00
5.5.50.0100.05720.05
5.5.40.0000.07320.11
5.5.30.0070.07720.14
5.5.20.0000.05720.14
5.5.10.0030.07720.04
5.5.00.0030.05719.96
5.4.450.0070.07719.36
5.4.440.0030.08319.53
5.4.430.0100.07719.48
5.4.420.0070.08019.27
5.4.410.0000.07719.33
5.4.400.0030.05019.16
5.4.390.0030.08019.04
5.4.380.0070.07318.93
5.4.370.0030.07719.03
5.4.360.0070.04719.04
5.4.350.0100.07019.04
5.4.340.0070.07318.82
5.4.320.0030.04319.20
5.4.310.0000.07018.84
5.4.300.0030.07019.25
5.4.290.0070.06319.03
5.4.280.0030.05319.22
5.4.270.0030.03719.16
5.4.260.0070.07718.94
5.4.250.0000.04719.04
5.4.240.0070.07019.12
5.4.230.0070.07319.02
5.4.220.0000.05019.18
5.4.210.0000.04319.20
5.4.200.0100.07019.17
5.4.190.0030.07318.83
5.4.180.0130.07019.02
5.4.170.0030.08019.11
5.4.160.0030.05719.11
5.4.150.0030.04319.20
5.4.140.0000.04316.46
5.4.130.0070.07016.53
5.4.120.0070.05716.30
5.4.110.0030.06016.52
5.4.100.0030.06716.54
5.4.90.0000.04716.55
5.4.80.0030.08316.38
5.4.70.0100.06716.38
5.4.60.0030.06316.41
5.4.50.0100.06716.30
5.4.40.0070.07016.34
5.4.30.0030.06316.40
5.4.20.0070.06716.45
5.4.10.0000.05016.43
5.4.00.0000.07315.87

preferences:
64.42 ms | 400 KiB | 5 Q