3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var) { //$var = 3; echo $var; debug_zval_dump($var); } $a = 0; debug_zval_dump($a); test($a); debug_zval_dump($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)
8.3.60.0070.00718.43
8.3.50.0080.01021.99
8.3.40.0060.00918.71
8.3.30.0100.00319.09
8.3.20.0080.00820.34
8.3.10.0080.00021.95
8.3.00.0040.00422.36
8.2.180.0140.00716.63
8.2.170.0110.00422.96
8.2.160.0070.00720.77
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00319.38
8.2.110.0060.00322.24
8.2.100.0040.00717.91
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0100.00017.80
8.2.50.0040.00418.07
8.2.40.0000.01018.22
8.2.30.0030.00617.98
8.2.20.0040.00417.73
8.2.10.0040.00417.55
8.2.00.0020.00517.66
8.1.280.0070.01425.92
8.1.270.0060.00322.09
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0100.00024.02
8.1.230.0090.00318.89
8.1.220.0040.00417.80
8.1.210.0000.00918.77
8.1.200.0060.00317.22
8.1.190.0050.00317.41
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0060.00321.98
8.1.150.0040.00418.57
8.1.140.0000.00717.45
8.1.130.0000.00717.67
8.1.120.0030.00717.46
8.1.110.0000.00717.38
8.1.100.0040.00417.45
8.1.90.0040.00417.39
8.1.80.0000.00717.43
8.1.70.0000.00717.34
8.1.60.0030.00517.57
8.1.50.0000.00717.55
8.1.40.0050.00317.56
8.1.30.0070.00017.57
8.1.20.0040.00417.68
8.1.10.0000.00717.41
8.1.00.0000.00817.41
8.0.300.0060.00318.78
8.0.290.0080.00017.16
8.0.280.0040.00418.42
8.0.270.0000.00717.25
8.0.260.0030.00316.74
8.0.250.0030.00316.97
8.0.240.0070.00016.90
8.0.230.0070.00016.88
8.0.220.0080.00016.85
8.0.210.0000.00716.84
8.0.200.0030.00316.84
8.0.190.0070.00016.92
8.0.180.0110.00016.80
8.0.170.0040.00416.82
8.0.160.0060.00316.83
8.0.150.0030.00316.65
8.0.140.0030.00316.79
8.0.130.0030.00313.25
8.0.120.0060.00316.68
8.0.110.0000.00716.76
8.0.100.0000.00716.78
8.0.90.0070.00016.79
8.0.80.0130.00716.84
8.0.70.0030.00316.86
8.0.60.0040.00416.70
8.0.50.0040.00416.77
8.0.30.0140.00817.05
8.0.20.0080.01017.44
8.0.10.0000.00716.77
8.0.00.0130.00816.71
7.4.330.0050.00015.04
7.4.320.0030.00316.48
7.4.300.0060.00016.50
7.4.290.0000.00816.41
7.4.280.0040.00416.46
7.4.270.0000.00716.39
7.4.260.0040.00416.52
7.4.250.0070.00016.49
7.4.240.0030.00416.61
7.4.230.0070.00016.30
7.4.220.0150.00316.45
7.4.210.0020.01416.58
7.4.200.0040.00416.50
7.4.190.0080.00016.61
7.4.160.0100.00616.36
7.4.150.0150.00717.40
7.4.140.0080.01017.86
7.4.130.0120.00816.44
7.4.120.0070.01316.54
7.4.110.0140.00416.37
7.4.100.0000.01716.36
7.4.90.0070.01016.45
7.4.80.0060.01519.39
7.4.70.0070.01016.23
7.4.60.0130.00316.40
7.4.50.0030.00616.35
7.4.40.0040.01222.77
7.4.30.0100.00716.53
7.4.00.0070.01115.16
7.3.330.0020.00213.18
7.3.320.0000.00613.16
7.3.310.0000.00716.32
7.3.300.0070.00016.30
7.3.290.0080.00816.28
7.3.280.0100.00716.33
7.3.270.0140.00417.40
7.3.260.0150.00416.56
7.3.250.0070.00916.29
7.3.240.0060.01016.36
7.3.230.0080.00816.39
7.3.210.0130.00316.40
7.3.200.0090.00619.39
7.3.190.0110.01216.32
7.3.180.0060.01016.11
7.3.170.0110.00516.29
7.3.160.0090.00916.43
7.3.120.0050.01114.94
7.3.110.0060.01014.80
7.3.100.0030.00614.46
7.3.90.0030.01014.85
7.3.80.0090.00014.69
7.3.70.0040.01114.82
7.3.60.0070.00714.88
7.3.50.0060.00914.86
7.3.40.0120.00614.91
7.3.30.0030.01014.63
7.3.20.0070.00716.62
7.3.10.0090.00616.35
7.3.00.0000.01516.46
7.2.330.0070.01116.64
7.2.320.0040.01516.64
7.2.310.0060.00916.60
7.2.300.0090.00616.38
7.2.290.0090.00616.21
7.2.250.0090.00915.18
7.2.240.0060.00915.04
7.2.230.0060.00614.93
7.2.220.0140.00014.74
7.2.210.0050.00514.69
7.2.200.0030.00714.91
7.2.190.0000.01214.82
7.2.180.0030.00715.14
7.2.170.0030.00714.91
7.2.60.0070.00717.00
7.2.00.0070.00419.44
7.1.330.0140.00315.59
7.1.320.0030.01015.80
7.1.310.0090.00915.49
7.1.300.0090.00315.68
7.1.290.0040.00415.80
7.1.280.0030.00715.70
7.1.270.0000.00915.58
7.1.260.0030.00915.84
7.1.200.0030.00915.57
7.1.100.0120.00618.29
7.1.70.0050.00517.19
7.1.60.0130.01319.82
7.1.50.0140.01416.99
7.1.00.0070.07322.46
7.0.200.0070.00516.16
7.0.140.0070.07022.16
7.0.60.0070.07019.98
7.0.50.0100.06317.88
7.0.40.0000.09020.24
7.0.30.0300.07720.10
7.0.20.0300.04720.23
7.0.10.0030.09020.21
7.0.00.0170.07320.09
5.6.280.0070.07021.11
5.6.210.0070.04720.46
5.6.200.0130.04318.19
5.6.190.0100.03720.77
5.6.180.4170.04720.62
5.6.170.0300.03720.54
5.6.160.0170.06720.57
5.6.150.0000.04318.17
5.6.140.0030.04318.11
5.6.130.0030.04318.12
5.6.120.0100.08021.02
5.6.110.0130.08020.98
5.6.100.0030.04021.01
5.6.90.0130.08321.02
5.6.80.0030.07320.34
5.6.70.3470.04320.48
5.5.350.0230.04720.52
5.5.340.0000.07018.03
5.5.330.0130.04720.27
5.5.320.4100.04020.27
5.5.310.0270.06720.20
5.5.300.0100.08018.03
5.5.290.0100.03318.03
5.5.280.0070.04320.88
5.5.270.0000.04320.65
5.5.260.0130.06720.89
5.5.250.0070.07320.66
5.5.240.0200.04720.35
5.4.450.0300.05319.42
5.4.440.0570.05319.58
5.4.430.0170.05019.53
5.4.420.0100.06019.45
5.4.410.0100.07319.42
5.4.400.0770.00018.79
5.4.390.0770.00018.76
5.4.380.0330.04718.70
5.4.370.0330.05318.80
5.4.360.0230.05018.65
5.4.350.0170.06318.63
5.4.340.0200.05718.70
5.4.320.0060.03712.50
5.4.310.0060.03812.50
5.4.300.0050.03812.50
5.4.290.0080.03612.50
5.4.280.0100.03212.40
5.4.270.0200.04018.90
5.4.260.0100.04718.99
5.4.250.0100.04718.78
5.4.240.0100.05318.99
5.4.230.0000.05718.81
5.4.220.0070.05319.03
5.4.210.0070.05318.99
5.4.200.0070.05018.76
5.4.190.0070.05018.82
5.4.180.0130.04718.93
5.4.170.0100.05018.79
5.4.160.0030.05318.74
5.4.150.0030.05718.97
5.4.140.0070.05016.59
5.4.130.0030.05016.38
5.4.120.0130.04316.38
5.4.110.0000.06716.56
5.4.100.0170.04016.37
5.4.90.0100.04316.55
5.4.80.0170.03716.63
5.4.70.0070.04716.64
5.4.60.0030.05016.32
5.4.50.0130.05316.49
5.4.40.0000.05316.59
5.4.30.0070.04716.46
5.4.20.0130.04316.50
5.4.10.0170.04716.37
5.4.00.0130.04315.80
5.3.290.0080.03712.80
5.3.280.0100.04714.56
5.3.270.0100.05014.73
5.3.260.0130.04714.57
5.3.250.0100.04714.50
5.3.240.0100.04714.60
5.3.230.0100.04714.66
5.3.220.0170.05314.64
5.3.210.0100.05014.39
5.3.200.0000.05314.63
5.3.190.0100.05014.53
5.3.180.0130.04314.78
5.3.170.0200.03714.46
5.3.160.0130.04314.64
5.3.150.0070.05014.39
5.3.140.0130.04014.62
5.3.130.0100.05014.60
5.3.120.0170.04314.63
5.3.110.0200.05714.72
5.3.100.0130.05314.21
5.3.90.0070.06314.10
5.3.80.0070.05014.10
5.3.70.0030.05313.85
5.3.60.0130.04313.90
5.3.50.0070.05014.12
5.3.40.0030.05014.03
5.3.30.0070.04713.98
5.3.20.0070.05313.86
5.3.10.0100.04313.73
5.3.00.0130.04013.73
5.2.170.0100.03711.21
5.2.160.0100.03711.30
5.2.150.0170.03711.22
5.2.140.0000.04311.14
5.2.130.0030.04011.32
5.2.120.0030.04011.08
5.2.110.0070.03711.07
5.2.100.0100.03311.15
5.2.90.0070.03711.07
5.2.80.0030.04011.07
5.2.70.0100.03711.07
5.2.60.0070.04011.04
5.2.50.0000.04310.85
5.2.40.0000.06310.90
5.2.30.0100.04711.13
5.2.20.0030.04011.18
5.2.10.0070.03710.84
5.2.00.0070.03710.79
5.1.60.0100.02710.00
5.1.50.0030.03310.09
5.1.40.0030.0339.96
5.1.30.0100.03010.49
5.1.20.0070.03310.43
5.1.10.0030.0409.98
5.1.00.0070.03310.04
5.0.50.0030.0308.45
5.0.40.0070.0308.47
5.0.30.0000.0438.30
5.0.20.0030.0278.43
5.0.10.0070.0238.17
5.0.00.0100.0338.00
4.4.90.0030.0207.24
4.4.80.0070.0207.24
4.4.70.0000.0277.24
4.4.60.0000.0237.24
4.4.50.0070.0207.24
4.4.40.0000.0437.24
4.4.30.0030.0207.24
4.4.20.0030.0207.24
4.4.10.0000.0237.24
4.4.00.0070.0307.24
4.3.110.0030.0207.24
4.3.100.0000.0237.24
4.3.90.0000.0237.24
4.3.80.0030.0307.24
4.3.70.0030.0237.24
4.3.60.0070.0237.24
4.3.50.0000.0237.24
4.3.40.0000.0337.24
4.3.30.0070.0177.24
4.3.20.0000.0237.24
4.3.10.0030.0237.24
4.3.00.0100.0207.75

preferences:
45.24 ms | 401 KiB | 5 Q