3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetime = new DateTime('first day of -1 month'); echo $datetime->format('jS, F 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)
8.3.60.0140.00718.55
8.3.50.0150.00222.04
8.3.40.0090.00618.77
8.3.30.0000.01518.84
8.3.20.0060.00318.73
8.3.10.0030.00521.09
8.3.00.0000.00823.52
8.2.180.0150.00316.63
8.2.170.0120.00322.96
8.2.160.0080.00620.52
8.2.150.0080.00024.18
8.2.140.0110.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00021.00
8.2.110.0090.00020.52
8.2.100.0080.00417.97
8.2.90.0040.00419.36
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0060.00318.05
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0000.00821.41
8.2.20.0040.00417.98
8.2.10.0040.00417.74
8.2.00.0050.00817.89
8.1.280.0150.00625.92
8.1.270.0040.00423.99
8.1.260.0070.01126.35
8.1.250.0030.00528.09
8.1.240.0030.00622.66
8.1.230.0030.00920.88
8.1.220.0000.00818.77
8.1.210.0000.00818.84
8.1.200.0090.00017.60
8.1.190.0040.00417.63
8.1.180.0050.00318.10
8.1.170.0030.00518.71
8.1.160.0070.00018.92
8.1.150.0070.00318.70
8.1.140.0000.00717.63
8.1.130.0040.00417.96
8.1.120.0100.00017.64
8.1.110.0000.00717.63
8.1.100.0040.00417.47
8.1.90.0050.00317.64
8.1.80.0030.00617.66
8.1.70.0030.00317.58
8.1.60.0090.00317.68
8.1.50.0000.00717.50
8.1.40.0040.00417.71
8.1.30.0030.00517.63
8.1.20.0000.00717.66
8.1.10.0000.00917.72
8.1.00.0080.00417.64
8.0.300.0080.00020.02
8.0.290.0080.00017.29
8.0.280.0000.00718.59
8.0.270.0030.00617.29
8.0.260.0080.00017.07
8.0.250.0040.00417.13
8.0.240.0090.00317.17
8.0.230.0000.00717.13
8.0.220.0030.00317.07
8.0.210.0000.00717.08
8.0.200.0000.00717.14
8.0.190.0070.00017.13
8.0.180.0000.00817.07
8.0.170.0000.00716.94
8.0.160.0000.00817.08
8.0.150.0000.00717.02
8.0.140.0000.00817.00
8.0.130.0060.00013.41
8.0.120.0040.00417.03
8.0.110.0040.00417.05
8.0.100.0040.00416.95
8.0.90.0040.00417.20
8.0.80.0070.01817.06
8.0.70.0000.00816.91
8.0.60.0050.00316.96
8.0.50.0070.00017.09
8.0.30.0130.00617.47
8.0.20.0060.01317.40
8.0.10.0070.00017.08
8.0.00.0120.00717.02
7.4.330.0000.00614.91
7.4.320.0040.00416.72
7.4.300.0030.00316.63
7.4.290.0000.00716.70
7.4.280.0030.00316.72
7.4.270.0000.00716.59
7.4.260.0050.00013.29
7.4.250.0030.00516.68
7.4.240.0030.00316.79
7.4.230.0070.00016.62
7.4.220.0070.01016.51
7.4.210.0070.00816.74
7.4.200.0030.00316.77
7.4.190.0000.00716.73
7.4.160.0120.00316.86
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0080.01016.51
7.4.120.0130.00316.67
7.4.110.0140.00516.66
7.4.100.0100.01016.58
7.4.90.0100.01316.50
7.4.80.0060.01619.39
7.4.70.0060.01316.55
7.4.60.0100.00616.59
7.4.50.0030.00516.46
7.4.40.0070.01122.52
7.4.30.0030.01316.63
7.4.10.0120.00615.18
7.4.00.0080.01015.10
7.3.330.0030.00313.25
7.3.320.0000.00513.16
7.3.310.0050.00216.29
7.3.300.0030.00316.34
7.3.290.0140.00016.26
7.3.280.0060.01016.34
7.3.270.0090.00817.40
7.3.260.0120.01018.24
7.3.250.0080.00916.43
7.3.240.0100.01016.71
7.3.230.0100.00616.42
7.3.210.0060.01216.61
7.3.200.0150.00819.39
7.3.190.0070.01116.62
7.3.180.0060.00916.57
7.3.170.0060.01016.72
7.3.160.0000.01616.46
7.3.130.0130.00615.19
7.3.120.0080.00814.96
7.3.110.0080.00814.80
7.3.100.0110.00515.09
7.3.90.0100.00514.94
7.3.80.0080.00815.13
7.3.70.0070.00714.78
7.3.60.0050.00914.95
7.3.50.0070.00714.87
7.3.40.0030.01014.80
7.3.30.0090.00214.90
7.3.20.0050.00816.65
7.3.10.0080.00616.76
7.3.00.0100.00516.81
7.2.330.0030.01516.67
7.2.320.0130.01016.49
7.2.310.0090.00916.54
7.2.300.0120.00616.76
7.2.290.0030.01516.82
7.2.260.0150.00415.08
7.2.250.0100.00815.22
7.2.240.0100.00515.19
7.2.230.0060.00815.22
7.2.220.0040.01215.05
7.2.210.0060.00515.23
7.2.200.0100.00615.13
7.2.190.0050.01115.14
7.2.180.0040.00915.18
7.2.170.0060.01015.26
7.2.160.0050.00915.07
7.2.150.0050.00916.86
7.2.140.0070.00916.93
7.2.130.0060.00617.17
7.2.120.0060.00717.07
7.2.110.0090.00616.83
7.2.100.0080.00517.04
7.2.90.0040.01017.13
7.2.80.0050.01117.08
7.2.70.0050.00616.80
7.2.60.0080.00716.99
7.2.50.0080.00516.84
7.2.40.0030.00917.15
7.2.30.0110.00316.96
7.2.20.0030.01016.95
7.2.10.0060.00817.05
7.2.00.0040.01017.76
7.1.330.0060.00815.88
7.1.320.0050.01015.78
7.1.310.0040.00915.77
7.1.300.0030.00915.80
7.1.290.0090.00715.72
7.1.280.0050.01015.91
7.1.270.0080.00615.87
7.1.260.0060.00915.87
7.1.250.0060.00415.85
7.1.240.0080.00515.92
7.1.230.0030.01115.77
7.1.220.0030.01015.84
7.1.210.0030.01015.69
7.1.200.0080.00715.75
7.1.190.0080.00615.74
7.1.180.0060.00815.74
7.1.170.0080.00515.92
7.1.160.0100.00615.74
7.1.150.0050.00515.91
7.1.140.0040.00715.80
7.1.130.0080.00315.81
7.1.120.0040.00915.93
7.1.110.0040.00715.85
7.1.100.0050.00915.84
7.1.90.0080.00515.75
7.1.80.0050.01015.85
7.1.70.0050.00616.34
7.1.60.0040.00816.26
7.1.50.0050.01316.25
7.1.40.0070.00815.93
7.1.30.0070.00615.70
7.1.20.0060.00815.75
7.1.10.0050.00715.79
7.1.00.0050.02117.92
7.0.330.0100.00215.47
7.0.320.0010.00915.35
7.0.310.0060.00515.42
7.0.300.0050.01015.37
7.0.290.0020.01015.47
7.0.280.0050.00815.53
7.0.270.0050.00715.54
7.0.260.0070.00415.41
7.0.250.0040.00815.57
7.0.240.0050.00915.32
7.0.230.0070.00915.50
7.0.220.0050.00715.54
7.0.210.0060.00615.54
7.0.200.0030.01015.96
7.0.190.0030.01115.35
7.0.180.0030.00715.46
7.0.170.0070.00715.54
7.0.160.0070.00715.48
7.0.150.0050.00515.35
7.0.140.0060.02517.72
7.0.130.0100.00615.38
7.0.120.0050.00815.29
7.0.110.0060.00615.52
7.0.100.0060.00615.38
7.0.90.0090.00215.58
7.0.80.0030.00815.44
7.0.70.0060.00515.49
7.0.60.0070.03416.95
7.0.50.0040.01816.41
7.0.40.0060.03015.93
7.0.30.0080.02115.94
7.0.20.0130.03015.92
7.0.10.0070.01915.83
7.0.00.0070.02215.86
5.6.400.0090.00514.36
5.6.390.0030.01314.67
5.6.380.0070.00414.57
5.6.370.0030.00814.42
5.6.360.0070.01114.31
5.6.350.0050.00814.48
5.6.340.0050.00914.35
5.6.330.0030.00914.58
5.6.320.0040.00914.78
5.6.310.0040.00614.46
5.6.300.0050.00714.56
5.6.290.0070.00714.35
5.6.280.0070.02916.67
5.6.270.0070.00514.56
5.6.260.0050.00814.64
5.6.250.0080.00614.40
5.6.240.0080.00414.54
5.6.230.0090.00714.61
5.6.220.0040.00914.28
5.6.210.0090.03116.54
5.6.200.0080.02315.71
5.6.190.0050.03516.29
5.6.180.0140.02316.45
5.6.170.0100.02616.48
5.6.160.0050.03416.44
5.6.150.0070.03115.70
5.6.140.0070.01615.61
5.6.130.0080.01715.71
5.6.120.0090.02916.65
5.6.110.0100.02716.64
5.6.100.0080.03116.54
5.6.90.0060.02116.66
5.6.80.0090.02616.30
5.6.70.0060.00414.33
5.6.60.0050.01014.30
5.6.50.0050.00614.40
5.6.40.0080.00814.32
5.6.30.0070.00414.09
5.6.20.0080.00214.39
5.6.10.0050.01014.44
5.6.00.0060.00814.22
5.5.380.0110.00514.50
5.5.370.0090.00514.55
5.5.360.0050.00714.28
5.5.350.1260.02116.31
5.5.340.0020.02515.57
5.5.330.0110.03016.40
5.5.320.0190.02416.34
5.5.310.0100.02116.41
5.5.300.0060.03215.63
5.5.290.0050.03215.71
5.5.280.0050.03416.41
5.5.270.0050.02016.42
5.5.260.0030.03616.40
5.5.250.0110.01916.33
5.5.240.0030.03216.29
5.5.230.0020.01214.34
5.5.220.0040.00914.25
5.5.210.0020.01014.23
5.5.200.0090.00614.42
5.5.190.0020.01114.16
5.5.180.0060.00714.36
5.5.170.0070.00614.21
5.5.160.0020.01014.28
5.5.150.0040.00714.47
5.5.140.0070.00514.28
5.5.130.0080.00514.24
5.5.120.0000.01414.29
5.5.110.0050.00914.29
5.5.100.0100.00514.23
5.5.90.0080.00614.06
5.5.80.0070.00514.15
5.5.70.0050.00914.07
5.5.60.0030.01014.19
5.5.50.0030.01114.09
5.5.40.0030.01114.25
5.5.30.0050.01414.25
5.5.20.0070.01014.28
5.5.10.0100.00814.22
5.5.00.0050.00514.40
5.4.450.1330.01314.70
5.4.440.1500.01614.69
5.4.430.1590.01914.77
5.4.420.1400.02014.76
5.4.410.1550.01814.68
5.4.400.0020.01714.57
5.4.390.1890.01714.60
5.4.380.1520.01614.78
5.4.370.1450.01814.64
5.4.360.1500.01414.64
5.4.350.1530.01714.59
5.4.340.1090.01614.68
5.4.330.0060.00612.47
5.4.320.1580.01414.72
5.4.310.1340.01614.63
5.4.300.1390.01714.70
5.4.290.1410.01414.66
5.4.280.1360.01414.64
5.4.270.1280.01614.68
5.4.260.1330.01714.54
5.4.250.1390.01814.61
5.4.240.1310.01714.67
5.4.230.1430.01614.74
5.4.220.1330.01414.63
5.4.210.1240.01714.56
5.4.200.1480.01714.70
5.4.190.1250.01714.60
5.4.180.1280.01314.62
5.4.170.1260.01814.55
5.4.160.1190.01414.50
5.4.150.1250.01614.67
5.4.140.1250.01513.80
5.4.130.1240.01413.74
5.4.120.1300.01713.70
5.4.110.1600.01313.74
5.4.100.1600.01413.78
5.4.90.1440.01413.77
5.4.80.1570.01513.77
5.4.70.1590.01313.72
5.4.60.1460.01813.79
5.4.50.1350.01213.78
5.4.40.1480.01713.78
5.4.30.1700.01513.76
5.4.20.1420.01513.78
5.4.10.1430.01913.78
5.4.00.1400.01213.67
5.3.290.1510.01813.16
5.3.280.1540.01713.07
5.3.270.1310.01713.04
5.3.260.1260.01413.09
5.3.250.1230.01613.02
5.3.240.1230.01713.01
5.3.230.1380.01613.04
5.3.220.1390.01413.00
5.3.210.1370.01613.01
5.3.200.1470.01412.97
5.3.190.1580.01913.00
5.3.180.1530.01813.03
5.3.170.1650.01913.04
5.3.160.1480.01813.03
5.3.150.1470.01612.99
5.3.140.1570.01513.02
5.3.130.1600.01612.96
5.3.120.1400.01813.03
5.3.110.1270.02113.04
5.3.100.1360.01712.82
5.3.90.1310.01812.77
5.3.80.1620.01912.72
5.3.70.1670.01512.78
5.3.60.1580.01412.79
5.3.50.1550.01412.73
5.3.40.1370.01612.74
5.3.30.1440.01412.79
5.3.20.1580.01612.71
5.3.10.1490.01212.61
5.3.00.1560.01312.69
5.2.170.3830.03711.09
5.2.160.3900.02711.09
5.2.150.3570.03311.20
5.2.140.3230.02711.14
5.2.130.4000.03311.11
5.2.120.3300.03011.09
5.2.110.3870.03011.14
5.2.100.3670.02711.17
5.2.90.3400.02711.14
5.2.80.3100.02711.08
5.2.70.2970.02711.00
5.2.60.3930.03311.00
5.2.50.3200.03311.07
5.2.40.3430.02710.88
5.2.30.2830.02310.93
5.2.20.2930.02711.01
5.2.10.2930.02311.01
5.2.00.3100.02710.67
5.1.60.3200.02310.06
5.1.50.2770.0239.98
5.1.40.3230.0279.98
5.1.30.3430.03010.32
5.1.20.3470.02310.20
5.1.10.3270.03010.01
5.1.00.3300.0239.96
5.0.50.1870.0208.45
5.0.40.1870.0178.37
5.0.30.1900.0308.36
5.0.20.1800.0208.34
5.0.10.1570.0178.07
5.0.00.1630.0338.16
4.4.90.1770.0075.84
4.4.80.1530.0175.76
4.4.70.1770.0175.75
4.4.60.1430.0175.80
4.4.50.1800.0175.84
4.4.40.1730.0205.79
4.4.30.1570.0135.84
4.4.20.1800.0135.94
4.4.10.1400.0175.86
4.4.00.1530.0275.82
4.3.110.1570.0175.80
4.3.100.1730.0135.71
4.3.90.1430.0175.72
4.3.80.1400.0275.75
4.3.70.1530.0175.77
4.3.60.1570.0175.78
4.3.50.1530.0175.82
4.3.40.1570.0275.79
4.3.30.0800.0175.44
4.3.20.0800.0205.44
4.3.10.0930.0135.44
4.3.00.0970.0235.44

preferences:
43.89 ms | 401 KiB | 5 Q