3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$x){ $x = null; } foo($a = 8); var_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)
8.3.60.0200.00018.55
8.3.50.0120.00921.08
8.3.40.0110.00418.67
8.3.30.0030.01020.26
8.3.20.0030.00620.04
8.3.10.0080.00022.10
8.3.00.0000.00722.39
8.2.180.0150.00616.88
8.2.170.0130.00322.96
8.2.160.0150.00022.14
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00520.70
8.2.110.0030.00620.25
8.2.100.0080.00318.09
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00818.21
8.2.30.0000.00719.34
8.2.20.0050.00217.52
8.2.10.0000.00817.64
8.2.00.0060.00617.59
8.1.270.0020.00523.99
8.1.260.0050.00326.35
8.1.250.0090.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00719.07
8.1.220.0040.00417.79
8.1.210.0030.00618.77
8.1.200.0070.00317.23
8.1.190.0050.00317.00
8.1.180.0080.00018.10
8.1.170.0090.00018.51
8.1.160.0000.00818.82
8.1.150.0070.00018.63
8.1.140.0030.00617.38
8.1.130.0000.00717.83
8.1.120.0050.00217.30
8.1.110.0030.00717.34
8.1.100.0030.00517.36
8.1.90.0000.00817.40
8.1.80.0040.00417.42
8.1.70.0030.00517.40
8.1.60.0060.00317.48
8.1.50.0080.00517.38
8.1.40.0000.00817.52
8.1.30.0040.00417.63
8.1.20.0030.00617.64
8.1.10.0040.00417.55
8.1.00.0000.00917.48
8.0.300.0050.00218.77
8.0.290.0030.00616.75
8.0.280.0030.00318.45
8.0.270.0000.00717.09
8.0.260.0060.00016.88
8.0.250.0040.00416.99
8.0.240.0000.00816.91
8.0.230.0030.00316.85
8.0.220.0050.00216.81
8.0.210.0040.00416.88
8.0.200.0070.00016.99
8.0.190.0090.00016.90
8.0.180.0000.00716.93
8.0.170.0000.00716.89
8.0.160.0040.00416.98
8.0.150.0030.00316.73
8.0.140.0060.00316.80
8.0.130.0000.00613.34
8.0.120.0000.00816.83
8.0.110.0060.00316.88
8.0.100.0070.00016.75
8.0.90.0040.00416.73
8.0.80.0080.00816.93
8.0.70.0030.00516.77
8.0.60.0080.00016.71
8.0.50.0040.00416.75
8.0.30.0180.00317.06
8.0.20.0150.00517.40
8.0.10.0000.00716.80
8.0.00.0090.01216.81
7.4.330.0050.00016.89
7.4.320.0000.00616.56
7.4.300.0030.00316.36
7.4.290.0000.00716.59
7.4.280.0070.00016.59
7.4.270.0030.00316.61
7.4.260.0060.00013.24
7.4.250.0030.00516.47
7.4.240.0020.00516.46
7.4.230.0000.00716.66
7.4.220.0060.01316.66
7.4.210.0080.00616.58
7.4.200.0070.00016.38
7.4.190.0070.00016.70
7.4.160.0100.00716.52
7.4.150.0030.01417.40
7.4.140.0100.01017.86
7.4.130.0080.00816.56
7.4.120.0030.01516.58
7.4.110.0030.01416.63
7.4.100.0100.00716.44
7.4.90.0090.00616.60
7.4.80.0030.01319.39
7.4.70.0070.01016.44
7.4.60.0060.00916.45
7.4.50.0030.00616.25
7.4.40.0070.00722.77
7.4.30.0030.01316.56
7.4.00.0110.00414.84
7.3.330.0050.00013.23
7.3.320.0030.00313.16
7.3.310.0040.00416.32
7.3.300.0040.00416.39
7.3.290.0150.00316.39
7.3.280.0110.00516.36
7.3.270.0130.00317.40
7.3.260.0160.00716.56
7.3.250.0090.01216.50
7.3.240.0060.01316.37
7.3.230.0060.01016.62
7.3.210.0060.00916.35
7.3.200.0120.00519.39
7.3.190.0080.00816.39
7.3.180.0080.00816.46
7.3.170.0030.01716.28
7.3.160.0100.00716.28
7.3.120.0030.01414.72
7.3.10.0070.01016.40
7.3.00.0060.00316.79
7.2.330.0100.00716.47
7.2.320.0080.00916.33
7.2.310.0060.01016.58
7.2.300.0060.00916.21
7.2.290.0130.01016.42
7.2.130.0040.01116.51
7.2.120.0060.00316.61
7.2.110.0000.01616.77
7.2.100.0000.01016.58
7.2.90.0000.01716.91
7.2.80.0040.01116.61
7.2.70.0070.00716.83
7.2.60.0030.00916.74
7.2.50.0090.00616.52
7.2.40.0000.01116.91
7.2.30.0030.01016.98
7.2.20.0030.01216.78
7.2.10.0060.00916.78
7.2.00.0040.00718.02
7.1.250.0060.00615.83
7.1.200.0140.00715.83
7.1.100.0000.01118.36
7.1.70.0000.01516.87
7.1.60.0170.00719.21
7.1.50.0250.01434.52
7.1.00.0000.07322.31
7.0.200.0060.00316.63
7.0.140.0030.07021.90
7.0.100.0070.07719.99
7.0.90.0100.04719.91
7.0.80.0130.07719.94
7.0.70.0100.07719.99
7.0.60.0000.08320.05
7.0.50.0070.08020.34
7.0.40.0070.08319.96
7.0.30.0070.09019.96
7.0.20.0170.06720.09
7.0.10.0070.08320.04
7.0.00.0030.08320.02
5.6.280.0130.06321.13
5.6.250.0100.08020.50
5.6.240.0070.08720.70
5.6.230.0100.07720.54
5.6.220.0070.08020.56
5.6.210.0200.06720.75
5.6.200.0170.07021.03
5.6.190.0170.07321.18
5.6.180.0070.08321.01
5.6.170.0100.08021.03
5.6.160.0100.07320.95
5.6.150.0070.08321.07
5.6.140.0070.08321.14
5.6.130.0070.05721.11
5.6.120.0100.07720.95
5.6.110.0170.07020.91
5.6.100.0030.09021.04
5.6.90.0030.06021.12
5.6.80.0100.07320.36
5.6.70.0030.08720.47
5.6.60.0170.06720.46
5.6.50.0100.06720.36
5.6.40.0100.07320.53
5.6.30.0100.07020.32
5.6.20.0070.07720.49
5.6.10.0030.07720.44
5.6.00.0000.08720.29
5.5.380.0130.06320.57
5.5.370.0000.05720.36
5.5.360.0130.08020.41
5.5.350.0030.05020.44
5.5.340.0030.08320.81
5.5.330.0200.07020.79
5.5.320.0030.08020.74
5.5.310.0170.07020.93
5.5.300.0130.07020.93
5.5.290.0100.08320.76
5.5.280.0100.08320.74
5.5.270.0130.06020.88
5.5.260.0170.07320.78
5.5.250.0000.08020.70
5.5.240.0100.07019.99
5.5.230.0000.08020.27
5.5.220.0000.07320.11
5.5.210.0000.08320.24
5.5.200.0030.07320.16
5.5.190.0130.06720.26
5.5.180.0070.07720.09
5.5.160.0130.07320.16
5.5.150.0000.07320.28
5.5.140.0030.08020.13
5.5.130.0100.07020.21
5.5.120.0000.07020.09
5.5.110.0130.06720.22
5.5.100.0130.06720.16
5.5.90.0030.07320.08
5.5.80.0100.07719.95
5.5.70.0070.06720.16
5.5.60.0000.08320.15
5.5.50.0230.05720.04
5.5.40.0030.07720.07
5.5.30.0100.07319.93
5.5.20.0170.06720.14
5.5.10.0070.08320.08
5.5.00.0070.08019.98
5.4.450.0130.07319.45
5.4.440.0000.08319.37
5.4.430.0100.07319.55
5.4.420.0070.05019.45
5.4.410.0130.07019.33
5.4.400.0070.07319.25
5.4.390.0100.08019.10
5.4.380.0100.07319.04
5.4.370.0030.07719.05
5.4.360.0070.08019.16
5.4.350.0170.06319.19
5.4.340.0030.07718.88
5.4.320.0070.07719.04
5.4.310.0030.07719.03
5.4.300.0070.07319.12
5.4.290.0070.06718.89
5.4.280.0070.05019.22
5.4.270.0170.06319.09
5.4.260.0000.07018.89
5.4.250.0130.06719.21
5.4.240.0100.06718.96
5.4.230.0100.05719.03
5.4.220.0130.04719.08
5.4.210.0100.06719.04
5.4.200.0130.06719.20
5.4.190.0070.07319.13
5.4.180.0170.06719.03
5.4.170.0100.07719.21
5.4.160.0030.07018.88
5.4.150.0030.07718.88
5.4.140.0000.08016.42
5.4.130.0130.06716.46
5.4.120.0030.07016.50
5.4.110.0070.07016.33
5.4.100.0100.07016.52
5.4.90.0130.05716.48
5.4.80.0000.07316.32
5.4.70.0070.06016.45
5.4.60.0130.06316.48
5.4.50.0070.07716.32
5.4.40.0100.07016.52
5.4.30.0070.07716.40
5.4.20.0070.07716.40
5.4.10.0030.08016.30
5.4.00.0030.06715.88
5.3.290.0030.07714.65
5.3.280.0130.06714.72
5.3.270.0070.07314.58
5.3.260.0000.08314.60
5.3.250.0130.05014.74
5.3.240.0130.04014.70
5.3.230.0070.07314.57
5.3.220.0070.07314.57
5.3.210.0030.07314.50
5.3.200.0100.07314.60
5.3.190.0100.04714.57
5.3.180.0030.07714.49
5.3.170.0070.07714.55
5.3.160.0130.05314.66
5.3.150.0000.07014.70
5.3.140.0030.05014.56
5.3.130.0170.06014.67
5.3.120.0300.05314.60
5.3.110.0070.07314.58
5.3.100.0000.06014.11
5.3.90.0030.07714.10
5.3.80.0030.07314.08
5.3.70.0070.07314.12
5.3.60.0030.07714.02
5.3.50.0170.06314.04
5.3.40.0000.07714.05
5.3.30.0130.06313.95
5.3.20.0070.07313.60
5.3.10.0070.07313.66
5.3.00.0070.08013.55
5.2.170.0030.06711.17
5.2.160.0070.05311.07
5.2.150.0000.06711.24
5.2.140.0030.03311.16
5.2.130.0030.06011.18
5.2.120.0030.06311.20
5.2.110.0030.06011.01
5.2.100.0030.06011.01
5.2.90.0000.06311.21
5.2.80.0200.02011.14
5.2.70.0100.05311.14
5.2.60.0070.06011.10
5.2.50.0030.06011.08
5.2.40.0030.05710.93
5.2.30.0000.06711.07
5.2.20.0030.05710.96
5.2.10.0070.05010.93
5.2.00.0100.05310.72
5.1.60.0070.0509.98
5.1.50.0100.02710.07
5.1.40.0070.05310.00
5.1.30.0030.05310.47
5.1.20.0030.05010.28
5.1.10.0070.05310.07
5.1.00.0070.05010.13
5.0.50.0070.0408.93
5.0.40.0070.0408.93
5.0.30.0070.0608.93
5.0.20.0000.0378.93
5.0.10.0030.0438.93
5.0.00.0000.0678.93
4.4.90.0000.0208.93
4.4.80.0030.0338.93
4.4.70.0030.0378.93
4.4.60.0000.0378.93
4.4.50.0000.0378.93
4.4.40.0030.0508.93
4.4.30.0000.0378.93
4.4.20.0000.0378.93
4.4.10.0000.0308.93
4.4.00.0000.0578.93
4.3.110.0000.0378.93
4.3.100.0070.0178.93
4.3.90.0000.0308.93
4.3.80.0030.0508.93
4.3.70.0070.0308.93
4.3.60.0030.0338.93
4.3.50.0030.0378.93
4.3.40.0000.0538.93
4.3.30.0000.0378.93
4.3.20.0030.0338.93
4.3.10.0030.0378.93
4.3.00.0000.0378.93

preferences:
62.84 ms | 400 KiB | 5 Q