3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test1($unset = false) { static $bar = 1; $bar++; echo $bar; unset($bar); $bar = "|"; echo $bar; // this initialization value is hoisted to the top of the function! static $bar = 5; $bar++; echo $bar; echo " "; static $bar = 77; } static $bar = 33; test1(); test1(); test1(); test1();

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)
8.3.60.0110.01118.30
8.3.50.0120.00621.08
8.3.40.0070.00718.75
8.3.30.0070.00720.39
8.3.20.0040.00420.34
8.3.10.0030.00622.09
8.3.00.0070.00422.52
8.2.180.0060.00918.05
8.2.170.0150.00022.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0130.00626.16
8.2.120.0080.00019.68
8.2.110.0060.00322.25
8.2.100.0080.00419.32
8.2.90.0060.00319.28
8.2.80.0090.00019.38
8.2.70.0000.00917.47
8.2.60.0040.00418.03
8.2.50.0050.00318.07
8.2.40.0000.00718.16
8.2.30.0060.00317.98
8.2.20.0050.00317.66
8.2.10.0060.00317.57
8.2.00.0040.00717.59
8.1.280.0110.01125.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.91
8.1.230.0060.00619.29
8.1.220.0030.00617.78
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.53
8.1.180.0080.00018.88
8.1.170.0080.00018.52
8.1.160.0000.00722.10
8.1.150.0000.00718.63
8.1.140.0050.00217.46
8.1.130.0070.00017.75
8.1.120.0000.00717.44
8.1.110.0000.00717.36
8.1.100.0000.00717.44
8.1.90.0030.00317.27
8.1.80.0000.00717.33
8.1.70.0000.00717.39
8.1.60.0060.00317.48
8.1.50.0040.00417.53
8.1.40.0040.00417.51
8.1.30.0000.00817.65
8.1.20.0040.00417.66
8.1.10.0040.00417.49
8.1.00.0000.00717.46
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0100.00018.35
8.0.270.0000.00817.26
8.0.260.0030.00316.81
8.0.250.0000.00716.86
8.0.240.0040.00416.99
8.0.230.0000.00716.96
8.0.220.0000.00716.78
8.0.210.0000.00716.74
8.0.200.0000.00617.02
8.0.190.0000.00916.83
8.0.180.0000.00716.92
8.0.170.0030.00516.82
8.0.160.0040.00416.87
8.0.150.0000.00716.81
8.0.140.0030.00516.92
8.0.130.0030.00313.29
8.0.120.0070.00016.83
8.0.110.0040.00416.96
8.0.100.0050.00316.68
8.0.90.0000.00716.96
8.0.80.0040.01516.80
8.0.70.0000.00716.79
8.0.60.0050.00216.85
8.0.50.0020.00517.01
8.0.30.0070.01416.96
8.0.20.0090.01117.40
8.0.10.0040.00417.00
8.0.00.0090.01116.82
7.4.330.0040.00015.00
7.4.320.0000.00616.55
7.4.300.0040.00416.49
7.4.290.0020.00516.65
7.4.280.0030.00316.61
7.4.270.0040.00416.52
7.4.260.0080.00016.61
7.4.250.0070.00016.43
7.4.240.0020.00516.47
7.4.230.0070.00016.67
7.4.220.0030.01716.52
7.4.210.0060.00816.55
7.4.200.0030.00316.43
7.4.190.0000.00716.46
7.4.160.0060.01116.66
7.4.150.0060.01017.40
7.4.140.0100.00917.86
7.4.130.0070.01316.50
7.4.120.0100.00716.61
7.4.110.0150.00416.53
7.4.100.0180.00316.39
7.4.90.0070.01016.65
7.4.80.0120.01219.39
7.4.70.0120.00316.51
7.4.60.0110.00616.67
7.4.50.0040.00416.38
7.4.40.0030.01022.77
7.4.30.0060.01216.56
7.4.00.0000.01414.97
7.3.330.0000.00613.27
7.3.320.0000.00513.10
7.3.310.0040.00416.33
7.3.300.0040.00416.30
7.3.290.0080.00816.29
7.3.280.0060.01116.31
7.3.270.0120.00617.40
7.3.260.0050.01816.55
7.3.250.0070.01216.48
7.3.240.0140.01116.36
7.3.230.0170.00016.40
7.3.210.0160.00016.47
7.3.200.0080.01019.39
7.3.190.0170.00416.59
7.3.180.0130.00316.56
7.3.170.0140.00316.50
7.3.160.0120.00416.42
7.3.120.0100.00714.90
7.2.330.0120.00616.34
7.2.320.0110.01116.72
7.2.310.0090.01016.45
7.2.300.0070.01016.69
7.2.290.0050.01616.69
7.1.200.0000.01015.46
7.1.70.0040.00716.87
7.1.60.0220.00419.29
7.1.50.0120.01216.91
7.1.00.0030.06322.50
7.0.200.0500.00714.78
7.0.140.0100.06321.97
7.0.60.0130.08320.02
7.0.50.0030.07017.84
7.0.40.0130.07320.40
7.0.30.0270.07720.21
7.0.20.0300.07720.25
7.0.10.0330.06720.22
7.0.00.0130.07720.05
5.6.280.0030.07321.04
5.6.210.0030.08720.66
5.6.200.0000.08718.14
5.6.190.0100.05320.55
5.6.180.0300.07320.61
5.6.170.0270.03320.55
5.6.160.0000.07720.62
5.6.150.0030.08718.21
5.6.140.0100.05318.15
5.6.130.0130.07018.21
5.6.120.0070.05020.99
5.6.110.0100.07321.08
5.6.100.0170.07721.13
5.6.90.0130.07721.13
5.6.80.0030.04020.38
5.5.350.0030.08020.33
5.5.340.0030.07017.96
5.5.330.0130.07720.27
5.5.320.0000.06320.47
5.5.310.0370.05320.25
5.5.300.0070.07017.95
5.5.290.0100.07717.99
5.5.280.0070.04020.88
5.5.270.0130.03020.96
5.5.260.0130.08720.89
5.5.250.0170.07020.62
5.5.240.0070.04320.29
5.4.450.0630.05719.51
5.4.440.0800.05719.39
5.4.430.0870.05319.47
5.4.420.0470.07319.63
5.4.410.0630.06019.21
5.4.400.0700.06318.98
5.4.390.0830.05319.01
5.4.380.0330.07018.73
5.4.370.0100.04018.54
5.4.360.0070.04018.60
5.4.350.0090.03712.02
5.4.340.0080.03612.02
5.4.320.0040.03912.51
5.4.310.0060.03912.50
5.4.300.0060.03612.50
5.4.290.0060.04612.50
5.4.280.0020.05112.40
5.4.270.0090.03412.40
5.4.260.0090.03612.40
5.4.250.0170.07018.85
5.4.240.0130.04718.86
5.4.230.0130.04718.57
5.4.220.0070.05718.84
5.4.210.0130.04718.70
5.4.200.0100.07318.55
5.4.190.0130.06718.71
5.4.180.0000.06018.68
5.4.170.0070.06018.61
5.4.160.0070.06718.84
5.4.150.0070.06018.84
5.4.140.0130.06016.41
5.4.130.0100.05016.45
5.4.120.0030.05316.53
5.4.110.0100.05016.31
5.4.100.0030.05316.30
5.4.90.0030.05316.22
5.4.80.0100.04716.29
5.4.70.0170.05716.36
5.4.60.0030.05016.40
5.4.50.0030.05016.39
5.4.40.0100.05016.39
5.4.30.0100.05716.26
5.4.20.0100.06016.36
5.4.10.0170.05316.27
5.4.00.0170.04015.71
5.3.290.0120.04912.80
5.3.280.0130.04714.75
5.3.270.0130.05714.71
5.3.260.0070.06014.66
5.3.250.0100.05014.68
5.3.240.0070.05014.73
5.3.230.0170.05314.72
5.3.220.0170.04014.64
5.3.210.0030.06014.66
5.3.200.0100.05314.64
5.3.190.0130.06014.39
5.3.180.0100.05014.56
5.3.170.0000.05314.39
5.3.160.0100.06714.74
5.3.150.0170.06014.69
5.3.140.0070.05014.73
5.3.130.0030.05714.63
5.3.120.0100.05014.63
5.3.110.0200.04314.76
5.3.100.0130.06014.04
5.3.90.0030.05314.02
5.3.80.0070.06714.24
5.3.70.0100.06314.18
5.3.60.0130.04313.98
5.3.50.0100.04314.03
5.3.40.0100.04713.94
5.3.30.0070.04713.87
5.3.20.0170.05713.70
5.3.10.0070.05013.62
5.3.00.0130.04313.72
5.2.170.0100.03711.12
5.2.160.0100.04010.97
5.2.150.0070.04711.22
5.2.140.0100.06010.97
5.2.130.0030.04011.10
5.2.120.0030.04011.18
5.2.110.0070.03711.00
5.2.100.0070.05311.27
5.2.90.0130.03011.28
5.2.80.0000.04310.99
5.2.70.0030.05711.06
5.2.60.0070.04311.23
5.2.50.0070.03711.02
5.2.40.0070.04011.06
5.2.30.0070.05011.14
5.2.20.0070.05011.04
5.2.10.0130.03310.83
5.2.00.0100.05010.71
5.1.60.0130.02310.09
5.1.50.0130.02310.15
5.1.40.0000.0409.99
5.1.30.0030.03710.43
5.1.20.0070.03310.35
5.1.10.0100.03010.22
5.1.00.0000.03710.11
5.0.50.0130.0208.63
5.0.40.0070.0238.40
5.0.30.0070.0408.14
5.0.20.0070.0338.18
5.0.10.0030.0278.14
5.0.00.0030.0408.31
4.4.90.0000.0237.43
4.4.80.0000.0307.43
4.4.70.0030.0277.43
4.4.60.0170.0137.43
4.4.50.0100.0137.43
4.4.40.0000.0337.43
4.4.30.0100.0137.43
4.4.20.0030.0207.43
4.4.10.0030.0177.43
4.4.00.0030.0307.43
4.3.110.0030.0207.43
4.3.100.0030.0207.43
4.3.90.0000.0237.43
4.3.80.0030.0307.43
4.3.70.0000.0207.43
4.3.60.0000.0207.43
4.3.50.0000.0237.43
4.3.40.0000.0437.43
4.3.30.0070.0177.43
4.3.20.0000.0237.43
4.3.10.0000.0237.43
4.3.00.0130.0207.29

preferences:
44.43 ms | 401 KiB | 5 Q