3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = $b = function($newfoo = NULL) { static $foo = "origfoo"; if ($newfoo !== NULL) { $foo = $newfoo; } print $foo . "\n"; }; $a(); $a("some other foo"); $b();

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)
8.3.60.0120.00316.50
8.3.50.0150.00718.24
8.3.40.0150.00018.79
8.3.30.0040.01218.84
8.3.20.0080.00018.81
8.3.10.0050.00320.58
8.3.00.0080.00019.18
8.2.180.0100.00316.38
8.2.170.0070.00722.96
8.2.160.0130.00020.14
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0000.00821.15
8.2.110.0040.00419.30
8.2.100.0090.00317.78
8.2.90.0000.00921.15
8.2.80.0070.00019.21
8.2.70.0040.00417.50
8.2.60.0000.00817.92
8.2.50.0060.00318.07
8.2.40.0000.00718.21
8.2.30.0030.00818.04
8.2.20.0000.00919.43
8.2.10.0050.00217.68
8.2.00.0040.00417.74
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00323.81
8.1.230.0080.00321.00
8.1.220.0000.00817.74
8.1.210.0040.00418.90
8.1.200.0090.00017.35
8.1.190.0070.00017.50
8.1.180.0030.00518.10
8.1.170.0000.00718.84
8.1.160.0040.00418.88
8.1.150.0080.00018.64
8.1.140.0000.00717.44
8.1.130.0070.00017.78
8.1.120.0100.00017.43
8.1.110.0040.00417.45
8.1.100.0030.00317.41
8.1.90.0040.00417.47
8.1.80.0070.00017.43
8.1.70.0030.00317.33
8.1.60.0040.00417.58
8.1.50.0040.00417.34
8.1.40.0040.00417.55
8.1.30.0000.00817.48
8.1.20.0030.00617.64
8.1.10.0040.00417.60
8.1.00.0000.00717.50
8.0.300.0070.00019.87
8.0.290.0040.00416.63
8.0.280.0030.00318.39
8.0.270.0030.00317.16
8.0.260.0000.00616.82
8.0.250.0070.00016.91
8.0.240.0040.00416.85
8.0.230.0040.00416.91
8.0.220.0040.00416.84
8.0.210.0000.00716.79
8.0.200.0060.00316.94
8.0.190.0030.00616.81
8.0.180.0070.00016.92
8.0.170.0080.00016.86
8.0.160.0030.00516.84
8.0.150.0080.00016.86
8.0.140.0060.00316.70
8.0.130.0000.00613.33
8.0.120.0050.00216.88
8.0.110.0040.00416.68
8.0.100.0030.00316.71
8.0.90.0080.00016.75
8.0.80.0100.01016.87
8.0.70.0000.00716.93
8.0.60.0030.00316.70
8.0.50.0000.00816.74
8.0.30.0090.01216.73
8.0.20.0080.01216.90
8.0.10.0020.00516.88
8.0.00.0080.01016.77
7.4.330.0000.00613.01
7.4.320.0060.00016.60
7.4.300.0000.00616.42
7.4.290.0030.00316.50
7.4.280.0040.00416.57
7.4.270.0030.00616.45
7.4.260.0060.00013.27
7.4.250.0080.00016.58
7.4.240.0030.00316.60
7.4.230.0070.00016.57
7.4.220.0110.00716.47
7.4.210.0060.00916.52
7.4.200.0030.00316.60
7.4.190.0000.00716.47
7.4.160.0130.00616.52
7.4.150.0120.00616.47
7.4.140.0120.00516.55
7.4.130.0110.00616.42
7.4.120.0110.00516.40
7.4.110.0060.01516.46
7.4.100.0140.00316.48
7.4.90.0170.00016.46
7.4.80.0070.01016.48
7.4.70.0130.00316.42
7.4.60.0120.01116.41
7.4.50.0090.00416.40
7.4.40.0110.00416.51
7.4.30.0100.00716.41
7.4.00.0090.00615.13
7.3.330.0000.00613.23
7.3.320.0000.00613.15
7.3.310.0000.00716.26
7.3.300.0000.00716.24
7.3.290.0000.01516.26
7.3.280.0080.01116.37
7.3.270.0030.01316.27
7.3.260.0090.00916.73
7.3.250.0070.01016.35
7.3.240.0000.01616.39
7.3.230.0030.01316.57
7.3.210.0030.01316.50
7.3.200.0180.00619.39
7.3.190.0060.01016.56
7.3.180.0090.00616.38
7.3.170.0030.01316.59
7.3.160.0070.01516.39
7.3.120.0070.01015.03
7.3.00.0040.01216.46
7.2.330.0070.01016.48
7.2.320.0090.00916.83
7.2.310.0160.00716.73
7.2.300.0040.01116.75
7.2.290.0080.00816.53
7.2.130.0050.00516.91
7.2.120.0100.00316.69
7.2.110.0090.00316.96
7.2.100.0000.01216.69
7.2.90.0030.00616.95
7.2.80.0040.00817.06
7.2.70.0070.00416.94
7.2.60.0060.00616.55
7.2.50.0080.00417.16
7.2.40.0070.00817.07
7.2.30.0070.00716.94
7.2.20.0090.00616.98
7.2.10.0040.00417.08
7.2.00.0080.00517.98
7.1.250.0120.00015.87
7.1.240.0000.00915.91
7.1.230.0030.01015.79
7.1.220.0090.00615.72
7.1.210.0070.00715.60
7.1.200.0070.00315.84
7.1.190.0090.00315.85
7.1.180.0070.00315.68
7.1.170.0080.00415.56
7.1.160.0040.01115.65
7.1.150.0080.00315.42
7.1.140.0040.01115.83
7.1.130.0000.00915.76
7.1.120.0030.01215.64
7.1.110.0070.00715.58
7.1.100.0080.00316.71
7.1.90.0050.00315.72
7.1.80.0030.00815.62
7.1.70.0050.00516.55
7.1.60.0100.00717.48
7.1.50.0120.01025.06
7.1.40.0040.00815.91
7.1.30.0040.00715.69
7.1.20.0100.00315.76
7.1.10.0030.01215.70
7.1.00.0050.03819.13
7.0.330.0000.00815.15
7.0.320.0000.01115.36
7.0.310.0000.01015.40
7.0.300.0030.00715.22
7.0.290.0070.00715.11
7.0.280.0090.00315.49
7.0.270.0030.00915.19
7.0.260.0030.00914.94
7.0.250.0060.00915.37
7.0.240.0040.01115.50
7.0.230.0060.00315.25
7.0.220.0060.00615.34
7.0.210.0060.00615.16
7.0.200.0620.00514.97
7.0.190.0110.00415.14
7.0.180.0120.00315.31
7.0.170.0120.00015.55
7.0.160.0080.00315.16
7.0.150.0030.00815.26
7.0.140.0040.03818.66
7.0.130.0000.01315.59
7.0.120.0080.03318.84
7.0.110.0090.00315.58
7.0.100.0080.00415.11
7.0.90.0090.00615.14
7.0.80.0060.00615.58
7.0.70.0030.00915.24
7.0.60.0070.04118.59
7.0.50.0070.03116.58
7.0.40.0090.02816.89
7.0.30.0130.02916.91
7.0.20.0200.04816.81
7.0.10.0030.03016.63
7.0.00.0050.04416.78
5.6.380.0030.01014.22
5.6.370.0110.00014.31
5.6.360.0080.00013.97
5.6.350.0060.00614.24
5.6.340.0040.00714.37
5.6.330.0030.00514.45
5.6.320.0030.01014.32
5.6.310.0070.00714.50
5.6.300.0000.01514.37
5.6.290.0090.00614.36
5.6.280.0050.03917.73
5.6.270.0000.00814.27
5.6.260.0110.00013.95
5.6.250.0080.00814.38
5.6.240.0060.00914.38
5.6.230.0080.00414.26
5.6.220.0050.00314.44
5.6.210.0050.02217.49
5.6.200.0030.03516.45
5.6.190.0080.04317.46
5.6.180.0230.02617.54
5.6.170.0170.02517.45
5.6.160.0140.04217.42
5.6.150.0020.04016.19
5.6.140.0080.03916.36
5.6.130.0060.02316.10
5.6.120.0090.02717.54
5.6.110.0050.04717.57
5.6.100.0070.02017.45
5.6.90.0070.02317.66
5.6.80.0070.03817.32
5.6.70.0070.00314.33
5.6.60.0000.01613.92
5.6.50.0100.00014.36
5.6.40.0060.00314.19
5.6.30.0060.00314.32
5.6.20.0070.00414.49
5.6.10.0070.00314.43
5.6.00.0030.00714.28
5.5.380.0000.01011.18
5.5.370.0110.00311.23
5.5.360.0060.00611.18
5.5.350.0150.02515.77
5.5.340.0020.02614.60
5.5.330.0060.04215.76
5.5.320.0330.03715.71
5.5.310.0150.02315.69
5.5.300.0060.04114.56
5.5.290.0050.02014.62
5.5.280.0070.04616.04
5.5.270.0060.04515.97
5.5.260.0020.02315.96
5.5.250.0030.04515.82
5.5.240.0070.01715.76
5.5.230.0060.00311.18
5.5.220.0000.00611.18
5.5.210.0090.00011.18
5.5.200.0060.00011.23
5.5.190.0060.00311.18
5.5.180.0070.00011.28
5.5.170.0000.00711.18
5.5.160.0040.00411.18
5.5.150.0070.00311.26
5.5.140.0050.00311.18
5.5.130.0030.00711.18
5.5.120.0000.00711.18
5.5.110.0040.00411.19
5.5.100.0000.00711.18
5.5.90.0040.00811.18
5.5.80.0030.00611.18
5.5.70.0070.00011.18
5.5.60.0040.00411.18
5.5.50.0030.00311.18
5.5.40.0000.01211.18
5.5.30.0090.00311.18
5.5.20.0030.00611.18
5.5.10.0030.00811.18
5.5.00.0040.00811.18
5.4.450.1870.02515.25
5.4.440.1430.02315.34
5.4.430.2300.02215.34
5.4.420.2300.02415.23
5.4.410.2150.02515.31
5.4.400.1990.02115.07
5.4.390.1820.02415.22
5.4.380.1870.01815.09
5.4.370.2310.01915.16
5.4.360.1900.02315.20
5.4.350.2430.01515.20
5.4.340.1970.02415.13
5.4.330.0040.00411.18
5.4.320.1780.02415.13
5.4.310.1930.02315.08
5.4.300.1920.02515.19
5.4.290.1980.01815.22
5.4.280.2020.01815.05
5.4.270.2040.01715.15
5.4.260.1870.01815.08
5.4.250.2450.02115.20
5.4.240.1980.02215.08
5.4.230.2020.02415.22
5.4.220.2070.02315.07
5.4.210.2010.01815.16
5.4.200.1980.01915.13
5.4.190.0930.02415.05
5.4.180.1350.01715.19
5.4.170.1820.02315.19
5.4.160.1790.02315.13
5.4.150.1370.02615.15
5.4.140.1770.01913.79
5.4.130.1570.02013.87
5.4.120.1490.02113.81
5.4.110.1580.01813.81
5.4.100.2010.01713.88
5.4.90.1990.02013.71
5.4.80.1800.01713.84
5.4.70.1980.01813.86
5.4.60.2010.01713.81
5.4.50.1920.02313.84
5.4.40.2000.02413.70
5.4.30.2150.01613.84
5.4.20.1830.02413.83
5.4.10.1940.01913.73
5.4.00.1820.01913.46
5.3.290.1860.02012.94
5.3.280.2160.02312.96
5.3.270.1840.01812.85
5.3.260.2030.01512.89
5.3.250.1590.01812.89
5.3.240.1660.01912.89
5.3.230.1520.02412.88
5.3.220.1660.02312.87
5.3.210.1550.02512.89
5.3.200.2080.02012.88
5.3.190.1850.02012.88
5.3.180.1050.02012.81
5.3.170.2120.02312.89
5.3.160.1980.02012.87
5.3.150.1960.02012.81
5.3.140.2100.02012.87
5.3.130.1880.02212.89
5.3.120.2000.01812.88
5.3.110.1970.02312.86
5.3.100.1930.02112.68
5.3.90.2060.01712.60
5.3.80.1680.02412.59
5.3.70.0520.02812.58
5.3.60.0030.02412.66
5.3.50.0080.03512.56
5.3.40.2250.02512.58
5.3.30.2350.01812.54
5.3.20.2450.02312.44
5.3.10.1850.02212.42
5.3.00.1850.02012.40
5.2.170.0060.03111.09
5.2.160.1600.02011.11
5.2.150.1980.01311.11
5.2.140.2010.01611.14
5.2.130.1730.01311.13
5.2.120.1900.01411.22
5.2.110.1720.02011.10
5.2.100.1570.01611.12
5.2.90.1560.01511.13
5.2.80.1570.01811.13
5.2.70.1700.02011.05
5.2.60.1550.01811.08
5.2.50.1610.01611.02
5.2.40.1390.01711.05
5.2.30.1380.02011.02
5.2.20.1360.02011.04
5.2.10.0010.01611.04
5.2.00.0070.02010.87
5.1.60.0060.01310.57
5.1.50.0430.02010.59
5.1.40.1350.01710.57
5.1.30.1230.01510.68
5.1.20.1250.01510.76
5.1.10.1650.01310.54
5.1.00.1110.01610.60
5.0.50.0790.0109.85
5.0.40.0630.0129.71
5.0.30.0750.0199.68
5.0.20.0840.0099.76
5.0.10.0630.0109.65
5.0.00.0810.0189.66
4.4.90.0770.0138.50
4.4.80.0720.0078.50
4.4.70.0400.0138.50
4.4.60.0030.0118.50
4.4.50.0050.0078.51
4.4.40.0020.0188.50
4.4.30.0760.0108.54
4.4.20.0760.0098.50
4.4.10.0650.0118.54
4.4.00.0630.0148.51
4.3.110.0700.0108.50
4.3.100.0770.0088.50
4.3.90.0630.0098.50
4.3.80.0750.0158.50
4.3.70.0640.0078.50
4.3.60.0700.0138.50
4.3.50.0620.0108.50
4.3.40.0950.0138.50
4.3.30.0450.0148.50
4.3.20.0430.0078.50
4.3.10.0460.0128.50
4.3.00.0400.0088.50

preferences:
47.06 ms | 401 KiB | 5 Q