3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo1($a=null, $b) { printf("foo1: %s\n%s", var_export($a, true), var_export($b, true)); } //function foo2($a, $b=null, $c) { // var_dump($a); // var_dump($b); // var_dump($c); //} foo1(1, 2); foo1(3); //foo2(4); //foo2(4, 5); //foo2(4, 5, 6);

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)
8.3.40.0060.01018.79
8.3.30.0070.00719.09
8.3.20.0040.00420.16
8.3.10.0040.00420.58
8.3.00.0030.00719.36
8.2.170.0120.00922.96
8.2.160.0130.00320.57
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0000.00926.16
8.2.120.0040.00422.24
8.2.110.0070.00322.11
8.2.100.0040.00717.91
8.2.90.0020.00519.05
8.2.80.0040.00417.97
8.2.70.0050.00517.50
8.2.60.0030.00717.92
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0070.00019.43
8.2.20.0050.00317.60
8.2.10.0000.00717.87
8.2.00.0040.00417.73
8.1.270.0090.00023.71
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.88
8.1.230.0040.00819.03
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.22
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0070.00318.46
8.1.160.0030.00321.98
8.1.150.0000.00718.85
8.1.140.0000.00817.24
8.1.130.0040.00417.64
8.1.120.0030.00417.24
8.1.110.0080.00017.29
8.1.100.0040.00317.29
8.1.90.0030.00717.40
8.1.80.0000.00717.29
8.1.70.0070.00017.18
8.1.60.0030.00617.59
8.1.50.0090.00017.47
8.1.40.0040.00417.44
8.1.30.0000.00817.40
8.1.20.0040.00417.63
8.1.10.0080.00017.48
8.1.00.0000.00717.37
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0050.00218.30
8.0.270.0030.00517.25
8.0.260.0030.00317.10
8.0.250.0030.00316.82
8.0.240.0040.00416.82
8.0.230.0070.00016.91
8.0.220.0000.00716.93
8.0.210.0070.00016.89
8.0.200.0030.00316.94
8.0.190.0000.00916.97
8.0.180.0000.00716.93
8.0.170.0080.00016.87
8.0.160.0000.00716.79
8.0.150.0030.00316.85
8.0.140.0080.00016.73
8.0.130.0000.00613.36
8.0.120.0040.00416.76
8.0.110.0000.00716.86
8.0.100.0050.00216.77
8.0.90.0000.00716.72
8.0.80.0030.01316.84
8.0.70.0040.00416.87
8.0.60.0000.00716.76
8.0.50.0040.00416.77
8.0.30.0110.00816.97
8.0.20.0120.00617.40
8.0.10.0040.00416.82
8.0.00.0040.01216.60
7.4.330.0020.00215.00
7.4.320.0030.00316.37
7.4.300.0000.00616.55
7.4.290.0040.00416.49
7.4.280.0070.00016.28
7.4.270.0070.00016.44
7.4.260.0080.00016.49
7.4.250.0070.00316.43
7.4.240.0020.00516.42
7.4.230.0000.00716.49
7.4.220.0150.01116.41
7.4.210.0100.00316.36
7.4.200.0030.00316.61
7.4.160.0100.00616.38
7.4.150.0110.00717.40
7.4.140.0060.01117.86
7.4.130.0090.00816.44
7.4.120.0100.01016.38
7.4.110.0070.01016.48
7.4.100.0070.01416.41
7.4.90.0070.01016.43
7.4.80.0110.00719.39
7.4.70.0030.01716.51
7.4.60.0120.00316.27
7.4.50.0000.00616.41
7.4.40.0100.00716.54
7.4.30.0080.00816.65
7.4.00.0030.01314.96
7.3.330.0000.00613.29
7.3.320.0030.00313.29
7.3.310.0030.00316.17
7.3.300.0030.00316.35
7.3.290.0090.00616.30
7.3.280.0090.00816.26
7.3.270.0090.00917.40
7.3.260.0180.00016.41
7.3.250.0120.00516.34
7.3.240.0100.00716.60
7.3.230.0030.01216.39
7.3.210.0290.03116.33
7.3.200.0070.01019.39
7.3.190.0160.00316.29
7.3.180.0120.00316.41
7.3.170.0130.00716.50
7.3.160.0070.01016.60
7.2.330.0060.01016.48
7.2.320.0070.01016.64
7.2.310.0030.01416.69
7.2.300.0060.01616.65
7.2.290.0040.01816.56
7.2.110.0130.01316.20
7.2.100.0120.00616.31
7.2.90.0160.00316.46
7.2.80.0040.01116.48
7.2.70.0180.00416.31
7.2.60.0130.00516.61
7.2.50.0220.00016.41
7.2.40.0070.01116.42
7.2.30.0030.01716.52
7.2.20.0080.00816.48
7.2.10.0180.00416.25
7.2.00.0040.00918.03
7.1.230.0100.00715.11
7.1.220.0160.00315.06
7.1.210.0130.00615.30
7.1.200.0110.00615.57
7.1.190.0090.00915.44
7.1.180.0070.01015.50
7.1.170.0100.00315.43
7.1.160.0080.00815.34
7.1.150.0120.00415.49
7.1.140.0030.01215.56
7.1.130.0070.00715.70
7.1.120.0130.00015.74
7.1.110.0060.00615.57
7.1.100.0090.00417.01
7.1.90.0110.00315.55
7.1.80.0100.01015.86
7.1.70.0030.00916.41
7.1.60.0130.00617.66
7.1.50.0130.00316.21
7.1.40.0070.01015.69
7.1.30.0210.00315.85
7.1.20.0140.01015.77
7.1.10.0030.00915.51
7.1.00.0050.04019.18
7.0.310.0140.00714.84
7.0.300.0130.00715.29
7.0.290.0130.00315.16
7.0.280.0090.00915.07
7.0.270.0170.00715.52
7.0.260.0170.00015.26
7.0.250.0120.00615.07
7.0.240.0030.01215.42
7.0.230.0120.00615.46
7.0.220.0040.01115.08
7.0.210.0080.00815.22
7.0.200.0050.00615.95
7.0.190.0100.01015.24
7.0.180.0000.01315.22
7.0.170.0060.00615.39
7.0.160.0030.01215.51
7.0.150.0100.01015.37
7.0.140.0030.04218.56
7.0.130.0060.00915.44
7.0.120.0030.01015.43
7.0.110.0050.00815.41
7.0.100.0060.00915.35
7.0.90.0090.00615.14
7.0.80.0120.00015.46
7.0.70.0050.00815.20
7.0.60.0140.03817.61
7.0.50.0050.03616.55
7.0.40.0090.03516.63
7.0.30.0290.03616.61
7.0.20.0120.02416.72
7.0.10.0160.04316.58
7.0.00.0060.04616.73
5.6.380.0060.00614.47
5.6.370.0060.00914.09
5.6.360.0070.01013.89
5.6.350.0100.00314.10
5.6.340.0070.00713.93
5.6.330.0070.00714.20
5.6.320.0100.00713.84
5.6.310.0090.00614.03
5.6.300.0040.01114.35
5.6.290.0030.01014.07
5.6.280.0110.03317.65
5.6.270.0090.00314.05
5.6.260.0080.00513.99
5.6.250.0120.00314.05
5.6.240.0030.01014.40
5.6.230.0090.00614.00
5.6.220.0030.00914.01
5.6.210.0080.04617.27
5.6.200.0080.04316.13
5.6.190.0020.02817.01
5.6.180.0180.03417.21
5.6.170.0210.04017.18
5.6.160.0070.02317.29
5.6.150.0030.04416.09
5.6.140.0070.04116.04
5.6.130.0090.02115.99
5.6.120.0090.04117.46
5.6.110.0050.02717.54
5.6.100.0130.04017.60
5.6.90.0060.04517.62
5.6.80.0090.03817.17
5.6.70.1930.02017.16
5.6.60.0110.00313.88
5.6.50.0050.00614.00
5.6.40.0120.00013.88
5.6.30.0030.00913.98
5.6.20.0050.00514.07
5.6.10.0030.01013.76
5.6.00.0030.01314.01
5.5.380.0080.00310.77
5.5.370.0050.00510.95
5.5.360.0070.00710.89
5.5.350.0070.03015.54
5.5.340.0070.02614.46
5.5.330.0060.03115.52
5.5.320.0180.03715.58
5.5.310.0120.02915.55
5.5.300.0050.04414.29
5.5.290.0080.04214.45
5.5.280.0060.04115.91
5.5.270.0010.02315.97
5.5.260.0060.04516.04
5.5.250.0060.02215.77
5.5.240.0060.02115.57
5.5.230.0000.00710.95
5.5.220.0050.00210.93
5.5.210.0030.00610.80
5.5.200.0030.00610.68
5.5.190.0050.00210.82
5.5.180.0060.00310.78
5.5.170.0030.01114.00
5.5.160.0070.00310.63
5.5.150.0000.00910.91
5.5.140.0090.00010.95
5.5.130.0020.00510.93
5.5.120.0090.00310.28
5.5.110.0070.00010.31
5.5.100.0100.00010.71
5.5.90.0040.00710.64
5.5.80.0050.00510.50
5.5.70.0030.00910.34
5.5.60.0070.00010.92
5.5.50.0030.00510.93
5.5.40.0030.00710.59
5.5.30.0020.00510.71
5.5.20.0000.00610.67
5.5.10.0060.00610.83
5.5.00.0060.00010.25
5.4.450.0150.02315.19
5.4.440.0150.02315.07
5.4.430.0240.02014.99
5.4.420.0180.02215.09
5.4.410.0270.02215.12
5.4.400.0210.02214.73
5.4.390.0230.02214.73
5.4.380.0200.03014.74
5.4.370.0180.03214.58
5.4.360.0130.03114.76
5.4.350.0160.02814.49
5.4.340.0250.03814.90
5.4.330.0080.00310.84
5.4.320.0050.02511.76
5.4.310.0070.02011.53
5.4.300.0090.01811.68
5.4.290.0060.01911.65
5.4.280.0040.02111.64
5.4.270.0050.02111.57
5.4.260.0060.02211.43
5.4.250.0070.01911.56
5.4.240.0050.02111.60
5.4.230.0060.02111.57
5.4.220.0050.02111.65
5.4.210.0060.01911.54
5.4.200.0060.02211.59
5.4.190.0060.01911.51
5.4.180.0070.01911.36
5.4.170.0030.02311.46
5.4.160.0050.02111.40
5.4.150.0070.02311.59
5.4.140.0090.02111.36
5.4.130.0060.01911.48
5.4.120.0050.02111.46
5.4.110.0050.02011.44
5.4.100.0040.02011.32
5.4.90.0080.01711.25
5.4.80.0050.02311.30
5.4.70.0070.02011.28
5.4.60.0030.01911.24
5.4.50.0060.02311.39
5.4.40.0060.02011.31
5.4.30.0090.02011.38
5.4.20.0070.01911.45
5.4.10.0070.01611.34
5.4.00.0050.01911.20
5.3.290.0070.01811.56
5.3.280.0070.01811.54
5.3.270.0050.02111.61
5.3.260.0080.02011.59
5.3.250.0060.02011.51
5.3.240.0070.02011.54
5.3.230.0030.02311.55
5.3.220.0030.02111.58
5.3.210.0070.02011.57
5.3.200.0060.01911.55
5.3.190.0020.02511.55
5.3.180.0070.02011.66
5.3.170.0100.01911.61
5.3.160.0070.01911.66
5.3.150.0070.02011.71
5.3.140.0070.02111.55
5.3.130.0070.01911.60
5.3.120.0030.02311.58
5.3.110.0050.02211.62
5.3.100.0050.02011.32
5.3.90.0070.01911.39
5.3.80.0040.02011.14
5.3.70.0060.01911.32
5.3.60.0050.02011.30
5.3.50.0060.02011.23
5.3.40.0070.02011.30
5.3.30.0060.02011.22
5.3.20.0060.02010.98
5.3.10.0050.01911.02
5.3.00.0050.02310.87
5.2.170.0060.0189.38
5.2.160.0070.0179.24
5.2.150.0080.0159.36
5.2.140.0030.0249.27
5.2.130.0100.0169.25
5.2.120.0060.0189.36
5.2.110.0090.0169.16
5.2.100.0050.0179.22
5.2.90.0050.0179.33
5.2.80.0040.0159.29
5.2.70.0050.0169.21
5.2.60.0060.0169.12
5.2.50.0040.0169.24
5.2.40.0060.0179.29
5.2.30.0050.0159.11
5.2.20.0050.0169.22
5.2.10.0040.0169.02
5.2.00.0070.0148.89
5.1.60.0040.0128.41
5.1.50.0020.0158.41
5.1.40.0030.0148.40
5.1.30.0030.0158.57
5.1.20.0020.0158.58
5.1.10.0040.0138.45
5.1.00.0040.0148.45
5.0.50.0050.0107.68
5.0.40.0040.0117.62
5.0.30.0030.0187.52
5.0.20.0050.0097.50
5.0.10.0020.0117.49
5.0.00.0060.0157.49
4.4.90.0030.0086.75
4.4.80.0030.0076.74
4.4.70.0020.0106.74
4.4.60.0010.0106.74
4.4.50.0020.0096.75
4.4.40.0030.0146.72
4.4.30.0030.0106.74
4.4.20.0020.0116.79
4.4.10.0040.0086.79
4.4.00.0020.0136.74
4.3.110.0050.0076.70
4.3.100.0020.0086.70
4.3.90.0020.0096.68
4.3.80.0030.0136.66
4.3.70.0030.0106.68
4.3.60.0020.0086.68
4.3.50.0040.0086.68
4.3.40.0030.0126.63
4.3.30.0030.0106.02
4.3.20.0020.0096.00
4.3.10.0020.0105.99
4.3.00.0030.00912.72

preferences:
41.78 ms | 400 KiB | 5 Q