3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $_var; public function __construct($val) { $this->_var=$val; } public function &getVar() { return $this->_var; } } function modifyVar(&$v) { $v=$v*2; } $test=new Test(2); $a=&$test->getVar(); $a+=2; echo $test->getVar()." "; modifyVar($a); echo $test->getVar()." ";

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)
8.3.60.0040.01118.55
8.3.50.0100.01021.88
8.3.40.0040.01118.91
8.3.30.0040.01118.98
8.3.20.0040.01119.96
8.3.10.0000.00823.29
8.3.00.0070.00020.64
8.2.180.0070.00716.63
8.2.170.0110.00422.96
8.2.160.0070.00722.21
8.2.150.0050.00324.18
8.2.140.0050.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00420.63
8.2.110.0050.00522.20
8.2.100.0000.01217.72
8.2.90.0000.00819.34
8.2.80.0030.00617.97
8.2.70.0050.00317.73
8.2.60.0000.00818.03
8.2.50.0030.00618.07
8.2.40.0000.01018.28
8.2.30.0070.00018.01
8.2.20.0000.00817.83
8.2.10.0040.00417.79
8.2.00.0000.00817.78
8.1.280.0100.00725.92
8.1.270.0040.00423.82
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0090.00023.96
8.1.230.0040.00818.92
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0050.00317.52
8.1.180.0000.00918.10
8.1.170.0060.00318.64
8.1.160.0020.00522.08
8.1.150.0040.00418.52
8.1.140.0030.00517.45
8.1.130.0000.00717.89
8.1.120.0000.00717.48
8.1.110.0040.00417.44
8.1.100.0040.00417.53
8.1.90.0030.00417.46
8.1.80.0030.00317.46
8.1.70.0040.00417.43
8.1.60.0080.00017.62
8.1.50.0000.00817.47
8.1.40.0050.00317.48
8.1.30.0030.00517.59
8.1.20.0070.00017.67
8.1.10.0040.00417.61
8.1.00.0000.00817.48
8.0.300.0070.00018.77
8.0.290.0000.00717.18
8.0.280.0000.00718.44
8.0.270.0000.00817.14
8.0.260.0050.00316.80
8.0.250.0070.00016.88
8.0.240.0050.00217.05
8.0.230.0030.00316.82
8.0.220.0000.00716.86
8.0.210.0000.00716.88
8.0.200.0030.00316.93
8.0.190.0030.00316.98
8.0.180.0000.00717.00
8.0.170.0030.00516.95
8.0.160.0050.00316.93
8.0.150.0030.00416.93
8.0.140.0050.00316.88
8.0.130.0060.00013.31
8.0.120.0030.00516.78
8.0.110.0020.00516.91
8.0.100.0000.00816.78
8.0.90.0000.00716.69
8.0.80.0090.00816.93
8.0.70.0040.00416.97
8.0.60.0000.00716.90
8.0.50.0050.00316.72
8.0.30.0100.01216.87
8.0.20.0150.00317.40
8.0.10.0000.00817.05
8.0.00.0060.01216.66
7.4.330.0000.00515.00
7.4.320.0040.00416.51
7.4.300.0030.00316.43
7.4.290.0030.00316.52
7.4.280.0000.00716.51
7.4.270.0050.00316.46
7.4.260.0000.00916.52
7.4.250.0070.00016.49
7.4.240.0040.00316.59
7.4.230.0070.00016.57
7.4.220.0090.00916.59
7.4.210.0080.00916.54
7.4.200.0040.00416.59
7.4.190.0030.00316.65
7.4.160.0040.01116.30
7.4.150.0110.00717.40
7.4.140.0110.01017.86
7.4.130.0120.00816.29
7.4.120.0070.01116.47
7.4.110.0140.00416.43
7.4.100.0030.01416.32
7.4.90.0110.00616.78
7.4.80.0160.00316.69
7.4.70.0060.01016.47
7.4.60.0120.00616.48
7.4.50.0000.00816.25
7.4.40.0070.00722.77
7.4.30.0160.00616.50
7.4.00.0110.00515.08
7.3.330.0000.00513.17
7.3.320.0000.00613.32
7.3.310.0030.00516.15
7.3.300.0020.00516.19
7.3.290.0110.00416.27
7.3.280.0110.00616.29
7.3.270.0100.00717.40
7.3.260.0090.00916.38
7.3.250.0090.01116.57
7.3.240.0030.01616.41
7.3.230.0060.01016.61
7.3.210.0130.00316.34
7.3.200.0060.01019.39
7.3.190.0170.00016.54
7.3.180.0100.01416.59
7.3.170.0150.00616.47
7.3.160.0110.00616.42
7.3.120.0060.01114.89
7.3.110.0120.00614.71
7.3.100.0060.00614.87
7.3.90.0120.00314.78
7.3.80.0030.01314.74
7.3.70.0100.00714.66
7.3.60.0090.00015.01
7.3.50.0060.00614.82
7.3.40.0100.00314.90
7.3.30.0100.00314.60
7.3.20.0070.00716.45
7.3.10.0060.00316.77
7.3.00.0090.00316.46
7.2.330.0070.01016.68
7.2.320.0090.00916.64
7.2.310.0120.00616.65
7.2.300.0120.00616.58
7.2.290.0070.01016.57
7.2.250.0070.01014.98
7.2.240.0030.01714.96
7.2.230.0070.01115.34
7.2.220.0100.00315.08
7.2.210.0070.01114.82
7.2.200.0150.00414.88
7.2.190.0070.00715.21
7.2.180.0030.01215.17
7.2.170.0090.00315.21
7.2.00.0070.00719.46
7.1.330.0060.00915.68
7.1.320.0040.01115.70
7.1.310.0000.01115.76
7.1.300.0000.01315.71
7.1.290.0030.00915.89
7.1.280.0070.00715.76
7.1.270.0070.00715.46
7.1.260.0040.00416.00
7.1.100.0040.00817.94
7.1.70.0030.00517.01
7.1.60.0060.01919.32
7.1.50.0030.01716.72
7.1.00.0030.07322.34
7.0.200.0130.00616.92
7.0.140.0000.07721.97
7.0.80.0000.04019.93
7.0.70.0130.07319.88
7.0.60.0030.08720.02
7.0.50.0230.04020.30
7.0.40.0000.04320.07
7.0.30.0070.04019.96
7.0.20.0070.04320.10
7.0.10.0030.07020.01
7.0.00.0030.08720.12
5.6.230.0000.04720.63
5.6.220.0000.04320.68
5.6.210.0030.08020.65
5.6.200.0070.04320.97
5.6.190.0070.05021.17
5.6.180.0000.04721.07
5.6.170.0070.06021.09
5.6.160.0100.08021.05
5.6.150.0000.05021.07
5.6.140.0070.03321.11
5.6.130.0030.05321.11
5.6.120.0030.09320.98
5.6.110.0070.05021.11
5.6.100.0030.03721.08
5.6.90.0100.06721.04
5.6.80.0100.07720.44
5.6.70.0070.04720.40
5.6.60.0030.03320.52
5.6.50.0070.07720.36
5.6.40.0030.07320.41
5.6.30.0030.04720.44
5.6.20.0130.03320.46
5.6.10.0030.04020.31
5.6.00.0130.07320.42
5.5.370.0070.07020.43
5.5.360.0000.07020.54
5.5.350.0100.07720.46
5.5.340.0070.04020.92
5.5.330.0170.05020.84
5.5.320.0030.04320.83
5.5.310.0000.04320.82
5.5.300.0070.03720.89
5.5.290.0070.08020.83
5.5.280.0030.08320.89
5.5.270.0070.08020.88
5.5.260.0070.08320.85
5.5.250.0070.06720.59
5.5.240.0100.06720.29
5.5.230.0030.04720.16
5.5.220.0030.08020.21
5.5.210.0030.05020.14
5.5.200.0030.04020.22
5.5.190.0070.08020.21
5.5.180.0030.03320.13
5.5.160.0070.07320.13
5.5.150.0070.03720.18
5.5.140.0070.04020.21
5.5.130.0030.05020.09
5.5.120.0000.03720.15
5.5.110.0070.07320.14
5.5.100.0100.07320.17
5.5.90.0000.03720.16
5.5.80.0100.08020.05
5.5.70.0100.05020.06
5.5.60.0100.05320.15
5.5.50.0000.04019.96
5.5.40.0070.04720.05
5.5.30.0070.03020.07
5.5.20.0100.07720.04
5.5.10.0070.05020.11
5.5.00.0170.06720.05
5.4.450.0030.04319.49
5.4.440.0070.04319.37
5.4.430.0030.05319.55
5.4.420.0000.08719.20
5.4.410.0070.04319.23
5.4.400.0100.07319.10
5.4.390.0030.04719.05
5.4.380.0030.06018.90
5.4.370.0100.07719.18
5.4.360.0100.03319.09
5.4.350.0030.03719.04
5.4.340.0070.06719.12
5.4.320.0000.04718.95
5.4.310.0030.04319.08
5.4.300.0070.08019.05
5.4.290.0030.07318.94
5.4.280.0000.08019.03
5.4.270.0100.06319.13
5.4.260.0030.04719.16
5.4.250.0000.03318.84
5.4.240.0030.08719.04
5.4.230.0000.04018.88
5.4.220.0000.03718.87
5.4.210.0100.03318.87
5.4.200.0070.06719.13
5.4.190.0030.03319.04
5.4.180.0070.06319.03
5.4.170.0000.04319.15
5.4.160.0000.04018.83
5.4.150.0030.03319.10
5.4.140.0070.02716.42
5.4.130.0030.07016.46
5.4.120.0030.07316.44
5.4.110.0000.08016.56
5.4.100.0000.03316.55
5.4.90.0070.02716.32
5.4.80.0000.03316.43
5.4.70.0030.03016.53
5.4.60.0070.06316.41
5.4.50.0100.06716.37
5.4.40.0030.07316.53
5.4.30.0100.06316.44
5.4.20.0000.03316.30
5.4.10.0130.04016.41
5.4.00.0030.03015.86
5.3.290.0000.04314.61
5.3.280.0070.03314.72
5.3.270.0030.07714.61
5.3.260.0030.05014.68
5.3.250.0030.03714.53
5.3.240.0130.07014.63
5.3.230.0000.03314.59
5.3.220.0070.07314.62
5.3.210.0070.07014.66
5.3.200.0070.02714.52
5.3.190.0030.03014.59
5.3.180.0030.03314.65
5.3.170.0030.03014.55
5.3.160.0030.03314.65
5.3.150.0100.06714.50
5.3.140.0030.04714.56
5.3.130.0030.03314.64
5.3.120.0070.03014.55
5.3.110.0030.03714.68
5.3.100.0030.03014.13
5.3.90.0000.04014.04
5.3.80.0030.03714.03
5.3.70.0000.04013.94
5.3.60.0070.03314.14
5.3.50.0070.03714.01
5.3.40.0000.03713.95
5.3.30.0000.03713.84
5.3.20.0030.03313.66
5.3.10.0070.03013.63
5.3.00.0000.03713.62
5.2.170.0070.02311.69
5.2.160.0000.02711.69
5.2.150.0000.03011.69
5.2.140.0000.02711.69
5.2.130.0000.02711.69
5.2.120.0030.02311.69
5.2.110.0030.02711.69
5.2.100.0000.03311.69
5.2.90.0070.02011.69
5.2.80.0000.03011.69
5.2.70.0000.03011.69
5.2.60.0000.03011.69
5.2.50.0000.02711.69
5.2.40.0070.02311.69
5.2.30.0030.02711.69
5.2.20.0000.02711.69
5.2.10.0030.02311.69
5.2.00.0030.02711.69
5.1.60.0000.02311.69
5.1.50.0000.02011.69
5.1.40.0000.02311.69
5.1.30.0030.02011.69
5.1.20.0030.03011.69
5.1.10.0070.01711.69
5.1.00.0030.02311.69
5.0.50.0000.02011.69
5.0.40.0000.01711.69
5.0.30.0030.03011.69
5.0.20.0000.01711.69
5.0.10.0000.02011.69
5.0.00.0000.03011.69
4.4.90.0000.01311.69
4.4.80.0000.01311.69
4.4.70.0100.00711.69
4.4.60.0000.01711.69
4.4.50.0000.01311.69
4.4.40.0000.02711.69
4.4.30.0000.01311.69
4.4.20.0000.02011.69
4.4.10.0000.01311.69
4.4.00.0030.02011.69
4.3.110.0000.01311.69
4.3.100.0030.01011.69
4.3.90.0000.01711.69
4.3.80.0000.02011.69
4.3.70.0000.01311.69
4.3.60.0000.01711.69
4.3.50.0000.01311.69
4.3.40.0030.02011.69
4.3.30.0000.01311.69
4.3.20.0000.01311.69
4.3.10.0000.01311.69
4.3.00.0030.01011.69

preferences:
47.94 ms | 401 KiB | 5 Q