3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { $GLOBALS['a']++; //$var++; debug_zval_dump($var); //$GLOBALS['var']++; echo $var; echo $GLOBALS['a']; // echo $GLOBALS['var']; } $a = 0; $GLOBALS['a']++; debug_zval_dump($a); test($a); echo $GLOBALS['a'];

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)
8.3.70.0110.01116.58
8.3.60.0110.00418.31
8.3.50.0090.01122.05
8.3.40.0110.00318.54
8.3.30.0160.00018.92
8.3.20.0060.00320.25
8.3.10.0000.00822.00
8.3.00.0070.00022.40
8.2.180.0140.00416.63
8.2.170.0110.00322.96
8.2.160.0110.00420.93
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0000.00819.23
8.2.110.0070.00322.15
8.2.100.0120.00019.64
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0060.00317.38
8.2.60.0080.00417.93
8.2.50.0040.00418.07
8.2.40.0030.00718.03
8.2.30.0000.00717.94
8.2.20.0040.00417.57
8.2.10.0050.00217.61
8.2.00.0040.00417.74
8.1.280.0100.00325.92
8.1.270.0050.00322.24
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00323.96
8.1.230.0070.00419.07
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00917.22
8.1.190.0030.00517.54
8.1.180.0040.00418.73
8.1.170.0040.00418.41
8.1.160.0040.00422.09
8.1.150.0040.00418.65
8.1.140.0040.00417.46
8.1.130.0040.00417.81
8.1.120.0000.01017.49
8.1.110.0040.00417.46
8.1.100.0020.00517.45
8.1.90.0070.00017.44
8.1.80.0050.00317.49
8.1.70.0030.00317.45
8.1.60.0030.00517.59
8.1.50.0070.00017.39
8.1.40.0040.00417.51
8.1.30.0040.00417.60
8.1.20.0080.00017.55
8.1.10.0030.00517.55
8.1.00.0050.00317.34
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0030.00318.53
8.0.270.0030.00317.29
8.0.260.0030.00316.76
8.0.250.0000.00716.93
8.0.240.0030.00316.83
8.0.230.0040.00416.77
8.0.220.0070.00016.87
8.0.210.0030.00316.83
8.0.200.0070.00016.82
8.0.190.0040.00316.82
8.0.180.0000.01116.80
8.0.170.0070.00016.91
8.0.160.0070.00016.91
8.0.150.0050.00216.83
8.0.140.0040.00416.83
8.0.130.0050.00013.19
8.0.120.0040.00416.73
8.0.110.0000.00816.70
8.0.100.0040.00416.66
8.0.90.0000.00716.87
8.0.80.0120.00316.81
8.0.70.0070.00016.92
8.0.60.0000.00816.87
8.0.50.0040.00416.75
8.0.30.0110.00817.10
8.0.20.0100.00817.40
8.0.10.0070.00016.95
8.0.00.0090.01116.87
7.4.330.0030.00315.00
7.4.320.0030.00316.64
7.4.300.0060.00016.54
7.4.290.0040.00416.48
7.4.280.0030.00516.52
7.4.270.0070.00016.57
7.4.260.0080.00016.43
7.4.250.0000.00716.42
7.4.240.0050.00316.59
7.4.230.0040.00416.47
7.4.220.0120.00616.66
7.4.210.0080.00616.49
7.4.200.0040.00416.61
7.4.190.0050.00216.72
7.4.160.0130.00316.54
7.4.150.0140.00317.40
7.4.140.0160.00717.86
7.4.130.0040.01416.55
7.4.120.0050.01216.59
7.4.110.0030.01716.50
7.4.100.0070.01416.63
7.4.90.0050.01616.49
7.4.80.0140.00719.39
7.4.70.0100.00716.38
7.4.60.0120.00616.53
7.4.50.0030.00616.55
7.4.40.0090.00622.77
7.4.30.0070.01016.46
7.4.00.0060.00915.02
7.3.330.0050.00013.30
7.3.320.0000.00513.17
7.3.310.0030.00316.35
7.3.300.0030.00316.17
7.3.290.0110.00716.33
7.3.280.0090.00616.36
7.3.270.0070.01117.40
7.3.260.0060.01916.61
7.3.250.0140.00616.50
7.3.240.0180.00016.65
7.3.230.0070.01016.39
7.3.210.0130.00416.27
7.3.200.0060.01219.39
7.3.190.0030.01516.39
7.3.180.0140.00016.52
7.3.170.0030.01316.36
7.3.160.0090.00916.45
7.3.120.0030.01314.75
7.3.110.0040.00714.76
7.3.100.0070.01014.79
7.3.90.0080.00614.73
7.3.80.0100.00314.54
7.3.70.0030.00514.98
7.3.60.0030.01015.01
7.3.50.0030.01014.78
7.3.40.0070.00714.54
7.3.30.0030.01014.84
7.3.20.0000.01216.84
7.3.10.0120.00916.37
7.3.00.0120.00916.26
7.2.330.0090.00816.36
7.2.320.0100.00716.75
7.2.310.0040.01416.71
7.2.300.0000.01816.72
7.2.290.0120.00916.51
7.2.240.0060.00714.91
7.2.230.0070.00315.09
7.2.220.0070.01015.13
7.2.210.0030.00615.11
7.2.200.0030.01215.10
7.2.190.0030.01314.95
7.2.180.0030.00914.74
7.2.170.0040.00814.84
7.2.160.0000.01415.26
7.2.150.0060.00616.92
7.2.140.0070.01017.07
7.2.130.0080.01216.73
7.2.120.0130.00516.77
7.2.110.0130.01016.79
7.2.100.0110.01016.49
7.2.90.0160.00516.75
7.2.80.0140.00716.71
7.2.70.0050.01216.66
7.2.60.0070.01016.61
7.2.50.0110.00816.56
7.2.40.0150.01116.91
7.2.30.0140.00516.78
7.2.20.0080.01016.58
7.2.10.0110.01016.81
7.2.00.0060.01017.72
7.1.330.0030.01015.71
7.1.320.0060.00915.74
7.1.310.0060.00915.54
7.1.300.0030.00715.83
7.1.290.0110.00315.83
7.1.280.0000.01415.66
7.1.270.0070.00715.61
7.1.260.0030.00715.66
7.1.250.0130.00615.65
7.1.200.0000.01115.80
7.1.100.0110.00218.19
7.1.70.0000.00917.05
7.1.60.0180.00719.82
7.1.50.0000.01416.70
7.1.00.0030.07322.36
7.0.200.0040.00416.84
7.0.140.0100.06722.07
7.0.60.0000.08020.06
7.0.50.0030.04017.89
7.0.40.0170.04320.13
7.0.30.0330.04320.21
7.0.20.0370.07020.23
7.0.10.0170.04720.23
7.0.00.0070.09020.20
5.6.280.0070.07020.90
5.6.210.0070.07020.76
5.6.200.0070.06318.25
5.6.190.0030.07020.67
5.6.180.3470.04020.44
5.6.170.0300.07720.44
5.6.160.0070.07320.39
5.6.150.0100.07318.23
5.6.140.0070.04018.18
5.6.130.0030.08018.24
5.6.120.0070.07721.16
5.6.110.0030.06321.05
5.6.100.0070.08321.14
5.6.90.0070.08021.00
5.6.80.0070.08020.40
5.6.70.4370.04320.50
5.5.350.0130.07320.47
5.5.340.0070.08317.95
5.5.330.0100.08020.33
5.5.320.0170.05020.24
5.5.310.0270.04720.35
5.5.300.0030.04318.01
5.5.290.0030.06718.03
5.5.280.0000.05320.88
5.5.270.0130.07020.87
5.5.260.0130.07720.72
5.5.250.0130.06720.59
5.5.240.0130.05720.34
5.4.450.0230.05319.41
5.4.440.0570.05719.48
5.4.430.0230.06719.41
5.4.420.0130.05019.52
5.4.410.0070.06019.21
5.4.400.1030.00018.50
5.4.390.1130.00018.81
5.4.380.0270.05318.77
5.4.370.0330.04318.47
5.4.360.0230.05718.56
5.4.350.0330.05018.84
5.4.340.0400.04718.53
5.4.320.0050.03712.51
5.4.310.0050.03912.50
5.4.300.0070.03612.50
5.4.290.0050.03912.50
5.4.280.0050.03612.40
5.4.270.0130.06718.99
5.4.260.0100.05718.79
5.4.250.0170.05718.94
5.4.240.0100.05718.98
5.4.230.0030.06718.79
5.4.220.0070.06018.77
5.4.210.0100.05018.91
5.4.200.0170.05719.00
5.4.190.0130.04718.83
5.4.180.0100.05018.93
5.4.170.0170.04718.80
5.4.160.0100.05318.95
5.4.150.0030.06718.75
5.4.140.0070.06716.35
5.4.130.0130.06716.41
5.4.120.0100.04316.29
5.4.110.0130.04716.51
5.4.100.0100.05016.55
5.4.90.0070.06016.36
5.4.80.0130.04316.40
5.4.70.0070.05716.47
5.4.60.0030.06016.55
5.4.50.0130.04016.46
5.4.40.0130.04316.51
5.4.30.0070.05016.30
5.4.20.0130.05016.38
5.4.10.0130.04316.50
5.4.00.0000.07315.78
5.3.290.0100.03512.80
5.3.280.0070.05314.72
5.3.270.0170.04314.82
5.3.260.0200.05314.68
5.3.250.0170.05014.62
5.3.240.0100.05314.57
5.3.230.0200.05014.77
5.3.220.0170.05014.54
5.3.210.0030.05714.65
5.3.200.0100.04714.64
5.3.190.0070.05014.74
5.3.180.0100.06714.52
5.3.170.0030.05314.46
5.3.160.0100.05714.55
5.3.150.0000.05714.64
5.3.140.0030.07014.64
5.3.130.0130.04314.72
5.3.120.0000.06014.37
5.3.110.0030.05714.54
5.3.100.0070.05014.12
5.3.90.0100.06014.23
5.3.80.0030.05313.85
5.3.70.0070.04714.04
5.3.60.0100.04714.22
5.3.50.0000.05714.03
5.3.40.0070.05013.92
5.3.30.0100.04714.08
5.3.20.0100.04313.59
5.3.10.0100.05313.74
5.3.00.0030.06013.63
5.2.170.0130.03311.23
5.2.160.0030.04011.14
5.2.150.0070.04711.36
5.2.140.0000.06011.36
5.2.130.0030.06011.09
5.2.120.0030.04011.19
5.2.110.0100.03711.26
5.2.100.0000.04311.00
5.2.90.0000.05011.09
5.2.80.0030.04711.25
5.2.70.0070.04711.00
5.2.60.0130.04711.19
5.2.50.0070.04311.04
5.2.40.0170.04010.83
5.2.30.0030.05711.04
5.2.20.0100.04011.04
5.2.10.0170.03010.81
5.2.00.0100.03710.67
5.1.60.0030.0339.97
5.1.50.0000.03710.23
5.1.40.0070.04310.07
5.1.30.0030.03310.34
5.1.20.0000.05710.43
5.1.10.0100.03010.15
5.1.00.0070.03710.05
5.0.50.0100.0208.63
5.0.40.0130.0278.47
5.0.30.0100.0508.46
5.0.20.0070.0238.28
5.0.10.0070.0378.16
5.0.00.0070.0408.15
4.4.90.0070.0177.31
4.4.80.0000.0237.27
4.4.70.0030.0207.27
4.4.60.0000.0237.27
4.4.50.0030.0307.27
4.4.40.0000.0377.27
4.4.30.0070.0237.27
4.4.20.0070.0277.27
4.4.10.0030.0207.27
4.4.00.0030.0337.27
4.3.110.0000.0237.20
4.3.100.0000.0237.20
4.3.90.0070.0177.20
4.3.80.0070.0337.20
4.3.70.0100.0137.20
4.3.60.0030.0237.20
4.3.50.0030.0207.20
4.3.40.0070.0277.20
4.3.30.0000.0307.20
4.3.20.0030.0207.20
4.3.10.0000.0237.20
4.3.00.0100.0277.75

preferences:
46.29 ms | 401 KiB | 5 Q