3v4l.org

run code in 300+ PHP versions simultaneously
<?php // given: unset($undef); $null = NULL; $false = FALSE; $true = TRUE; // these operations: isset($var); empty($var); array_key_exists('var', $GLOBALS); // "defined" below

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)
8.3.60.0070.01116.47
8.3.50.0200.00822.07
8.3.40.0110.01118.72
8.3.30.0140.00018.98
8.3.20.0070.00020.07
8.3.10.0000.00823.51
8.3.00.0040.00417.80
8.2.180.0100.01016.38
8.2.170.0110.00322.96
8.2.160.0100.00620.36
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00819.36
8.2.110.0030.00622.26
8.2.100.0070.00420.57
8.2.90.0080.00019.11
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.16
8.2.20.0000.00717.67
8.2.10.0000.00718.06
8.2.00.0050.00217.48
8.1.280.0070.00725.92
8.1.270.0040.00423.97
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.66
8.1.230.0060.00619.05
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0070.00018.10
8.1.170.0000.00818.39
8.1.160.0000.00721.85
8.1.150.0030.00618.65
8.1.140.0050.00217.43
8.1.130.0030.00317.70
8.1.120.0040.00417.44
8.1.110.0100.00017.41
8.1.100.0030.00317.41
8.1.90.0000.00717.39
8.1.80.0040.00417.42
8.1.70.0000.00817.37
8.1.60.0050.00917.55
8.1.50.0060.00317.54
8.1.40.0040.00417.52
8.1.30.0040.00417.64
8.1.20.0030.00617.63
8.1.10.0040.00417.56
8.1.00.0000.00717.49
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.44
8.0.270.0030.00317.35
8.0.260.0030.00317.24
8.0.250.0040.00416.81
8.0.240.0070.00416.95
8.0.230.0000.00816.91
8.0.220.0030.00316.92
8.0.210.0030.00316.88
8.0.200.0040.00416.88
8.0.190.0030.00316.85
8.0.180.0040.00416.85
8.0.170.0040.00416.89
8.0.160.0000.00716.91
8.0.150.0060.00316.73
8.0.140.0050.00516.72
8.0.130.0030.00313.23
8.0.120.0000.00816.88
8.0.110.0000.00716.73
8.0.100.0070.00016.68
8.0.90.0040.00416.75
8.0.80.0110.00616.86
8.0.70.0000.00816.91
8.0.60.0040.00416.95
8.0.50.0040.00416.84
8.0.30.0130.01116.98
8.0.20.0050.01517.40
8.0.10.0030.00517.02
8.0.00.0090.00816.80
7.4.330.0000.00515.12
7.4.320.0030.00316.39
7.4.300.0000.00616.59
7.4.290.0000.00716.35
7.4.280.0040.00416.61
7.4.270.0040.00316.50
7.4.260.0060.00316.46
7.4.250.0040.00416.60
7.4.240.0030.00316.48
7.4.230.0000.00716.56
7.4.220.0110.01116.54
7.4.210.0100.00316.52
7.4.200.0030.00316.42
7.4.160.0100.00616.63
7.4.150.0160.00317.40
7.4.140.0140.00717.86
7.4.130.0080.00816.60
7.4.120.0070.01216.50
7.4.110.0080.00816.55
7.4.100.0140.00516.52
7.4.90.0060.01216.41
7.4.80.0110.01119.39
7.4.70.0120.00616.54
7.4.60.0060.01016.37
7.4.50.0090.00016.30
7.4.40.0030.01316.64
7.4.30.0060.01016.64
7.4.00.0110.00514.88
7.3.330.0030.00312.88
7.3.320.0000.00513.11
7.3.310.0030.00316.08
7.3.300.0000.00615.96
7.3.290.0050.00916.14
7.3.280.0080.01016.10
7.3.270.0100.00717.40
7.3.260.0090.01316.29
7.3.250.0100.01016.18
7.3.240.0130.00416.12
7.3.230.0120.00416.39
7.3.210.0130.00716.30
7.3.200.0120.00319.39
7.3.190.0030.01216.39
7.3.180.0090.00616.22
7.3.170.0120.00316.54
7.3.160.0060.00916.17
7.3.120.0080.00814.69
7.3.110.0040.01114.41
7.3.100.0000.01114.84
7.3.90.0030.01214.61
7.3.80.0030.01314.87
7.3.70.0030.00714.73
7.3.60.0000.01114.89
7.3.50.0030.01014.64
7.3.40.0030.01014.65
7.3.30.0060.01314.90
7.3.20.0060.00616.64
7.3.10.0090.00016.36
7.3.00.0080.00816.50
7.2.330.0030.01416.34
7.2.320.0070.01016.56
7.2.310.0080.00916.68
7.2.300.0100.00716.63
7.2.290.0070.01116.56
7.2.250.0070.01015.13
7.2.240.0030.01015.13
7.2.230.0000.01714.75
7.2.220.0090.00914.94
7.2.210.0070.01015.21
7.2.200.0090.00014.70
7.2.190.0040.00815.12
7.2.180.0090.00614.88
7.2.170.0100.01014.94
7.2.00.0030.00619.03
7.1.330.0100.00715.50
7.1.320.0070.00315.73
7.1.310.0030.01015.55
7.1.300.0090.00615.72
7.1.290.0060.00615.77
7.1.280.0060.00915.73
7.1.270.0060.00915.78
7.1.260.0080.00415.66
7.1.100.0030.01018.16
7.1.70.0030.00616.97
7.1.60.0040.01119.70
7.1.50.0000.01416.84
7.1.00.0030.07022.28
7.0.200.0000.00716.83
7.0.140.0030.07322.22
7.0.60.0170.07319.93
7.0.50.0030.07717.66
7.0.40.0100.08720.24
7.0.30.0200.04020.04
7.0.20.0300.03320.00
7.0.10.0070.06720.04
7.0.00.0030.05020.19
5.6.280.0000.07720.98
5.6.210.0070.07320.60
5.6.200.0000.09318.17
5.6.190.0070.04320.41
5.6.180.3570.04020.64
5.6.170.0270.07320.52
5.6.160.0130.06320.41
5.6.150.0100.07718.11
5.6.140.0070.03718.20
5.6.130.0030.08718.07
5.6.120.0070.07720.97
5.6.110.0030.08020.97
5.6.100.0030.07020.98
5.6.90.0130.08021.07
5.6.80.0030.04020.52
5.6.70.3230.04020.35
5.5.350.0100.08320.51
5.5.340.0100.07017.92
5.5.330.0000.04720.34
5.5.320.0200.06020.50
5.5.310.0270.08320.29
5.5.300.0100.08017.91
5.5.290.0070.04017.98
5.5.280.0130.06320.63
5.5.270.0070.07320.86
5.5.260.0070.08020.83
5.5.250.0030.05320.45
5.5.240.0370.07020.19
5.4.450.0600.06019.46
5.4.440.0600.06019.41
5.4.430.0430.04319.40
5.4.420.0570.07019.48
5.4.410.0470.04019.07
5.4.400.0470.06719.10
5.4.390.0470.06319.08
5.4.380.0370.04019.08
5.4.370.0430.04319.13
5.4.360.0430.03719.08
5.4.350.0500.05718.91
5.4.340.0500.05319.09
5.4.320.0430.04719.13
5.4.310.0470.03719.13
5.4.300.0530.06019.16
5.4.290.0530.04018.91
5.4.280.0430.04019.13
5.4.270.0570.04719.23
5.4.260.0430.04719.09
5.4.250.0430.03719.08
5.4.240.0530.05319.13
5.4.230.0600.02719.05
5.4.220.0600.05719.05
5.4.210.0530.05319.23
5.4.200.0400.04019.20
5.4.190.0530.06019.23
5.4.180.0500.04718.91
5.4.170.0470.05319.07
5.4.160.0630.05719.07
5.4.150.0430.04019.04
5.4.140.0470.07016.35
5.4.130.0570.06016.33
5.4.120.0500.06316.30
5.4.110.0430.04016.43
5.4.100.0600.05716.29
5.4.90.0570.05316.34
5.4.80.0430.03316.44
5.4.70.0530.03316.37
5.4.60.0570.06016.04
5.4.50.0400.04016.40
5.4.40.0600.06716.28
5.4.30.0530.06016.31
5.4.20.0500.04016.36
5.4.10.0600.06316.17
5.4.00.0500.03015.88
5.3.290.0530.06314.51
5.3.280.0570.03714.41
5.3.270.0430.06314.47
5.3.260.0630.05714.50
5.3.250.0370.04014.63
5.3.240.0530.06314.55
5.3.230.0600.05014.45
5.3.220.0570.06314.52
5.3.210.0570.06014.43
5.3.200.0500.05314.40
5.3.190.0400.04314.65
5.3.180.0600.04014.40
5.3.170.0430.05714.40
5.3.160.0430.05314.50
5.3.150.0530.05014.51
5.3.140.0500.07014.50
5.3.130.0570.05014.42
5.3.120.0470.03714.45
5.3.110.0600.05714.52
5.3.100.0470.03013.89
5.3.90.0470.03013.88
5.3.80.0370.04013.86
5.3.70.0400.03713.92
5.3.60.0570.06013.95
5.3.50.0530.05014.04
5.3.40.0400.04013.79
5.3.30.0430.03313.81
5.3.20.0500.04713.52
5.3.10.0600.06013.64
5.3.00.0430.06313.48
5.2.170.0400.05311.19
5.2.160.0400.03711.19
5.2.150.0400.02311.00
5.2.140.0400.04711.29
5.2.130.0370.03011.04
5.2.120.0330.03010.95
5.2.110.0330.03310.95
5.2.100.0430.04311.15
5.2.90.0330.03010.95
5.2.80.0370.02711.14
5.2.70.0370.04011.18
5.2.60.0400.02710.89
5.2.50.0370.03011.03
5.2.40.0370.05711.08
5.2.30.0330.03011.01
5.2.20.0300.03310.80
5.2.10.0300.04310.80
5.2.00.0400.05010.68
5.1.60.0330.03010.07
5.1.50.0300.0479.86
5.1.40.0400.04010.05
5.1.30.0300.04310.27
5.1.20.0330.04010.20
5.1.10.0330.0509.95
5.1.00.0470.04310.24
5.0.50.0270.0378.52
5.0.40.0230.0208.38
5.0.30.0170.0378.38
5.0.20.0170.0238.07
5.0.10.0200.0408.23
5.0.00.0230.0408.13
4.4.90.0170.0177.15
4.4.80.0170.0137.17
4.4.70.0130.0207.23
4.4.60.0170.0237.23
4.4.50.0130.0237.23
4.4.40.0170.0437.25
4.4.30.0200.0307.27
4.4.20.0230.0107.30
4.4.10.0170.0177.32
4.4.00.0270.0437.34
4.3.110.0130.0377.36
4.3.100.0230.0277.36
4.3.90.0170.0237.38
4.3.80.0130.0307.41
4.3.70.0200.0207.41
4.3.60.0300.0077.42
4.3.50.0130.0237.42
4.3.40.0170.0237.42
4.3.30.0100.0377.43
4.3.20.0170.0277.45
4.3.10.0100.0307.45
4.3.00.0100.0207.46

preferences:
37.2 ms | 401 KiB | 5 Q