3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$foo) { $foo = 'bar'; } $var = "foo:"; print $var; foo($var); print $var;

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)
8.3.60.0110.00718.18
8.3.50.0140.00521.27
8.3.40.0040.01118.71
8.3.30.0090.00620.27
8.3.20.0000.00720.22
8.3.10.0030.00521.89
8.3.00.0050.00322.39
8.2.180.0150.00018.10
8.2.170.0070.01422.96
8.2.160.0110.00420.40
8.2.150.0040.00424.18
8.2.140.0120.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0080.00020.39
8.2.100.0000.01417.84
8.2.90.0080.00019.22
8.2.80.0050.00219.26
8.2.70.0050.00317.38
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0040.00417.94
8.2.20.0000.00717.75
8.2.10.0040.00417.66
8.2.00.0080.00017.67
8.1.280.0110.00725.92
8.1.270.0040.00420.23
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.79
8.1.230.0060.00618.86
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0070.00317.23
8.1.190.0080.00017.52
8.1.180.0030.00518.82
8.1.170.0030.00618.38
8.1.160.0000.00722.00
8.1.150.0040.00418.61
8.1.140.0040.00417.44
8.1.130.0080.00017.78
8.1.120.0050.00317.30
8.1.110.0040.00417.32
8.1.100.0000.00717.38
8.1.90.0000.00817.29
8.1.80.0070.00017.43
8.1.70.0040.00417.28
8.1.60.0050.00317.61
8.1.50.0070.00017.50
8.1.40.0100.00017.51
8.1.30.0000.00817.64
8.1.20.0040.00417.66
8.1.10.0050.00217.41
8.1.00.0000.00817.44
8.0.300.0000.00718.77
8.0.290.0000.00717.04
8.0.280.0000.00718.34
8.0.270.0070.00017.17
8.0.260.0000.00816.68
8.0.250.0030.00516.98
8.0.240.0070.00016.96
8.0.230.0030.00316.87
8.0.220.0030.00316.75
8.0.210.0070.00016.82
8.0.200.0000.00616.93
8.0.190.0000.00716.88
8.0.180.0070.00316.88
8.0.170.0040.00416.86
8.0.160.0000.00716.85
8.0.150.0000.00816.76
8.0.140.0070.00016.77
8.0.130.0030.00313.23
8.0.120.0050.00316.72
8.0.110.0030.00416.77
8.0.100.0000.00716.88
8.0.90.0000.00716.86
8.0.80.0120.00616.90
8.0.70.0040.00416.82
8.0.60.0050.00216.88
8.0.50.0000.00716.73
8.0.30.0110.00816.90
8.0.20.0110.00817.40
8.0.10.0030.00316.83
8.0.00.0050.01216.69
7.4.330.0060.00015.00
7.4.320.0040.00416.41
7.4.300.0040.00416.38
7.4.290.0030.00316.48
7.4.280.0080.00016.61
7.4.270.0030.00316.63
7.4.260.0050.00516.40
7.4.250.0040.00416.43
7.4.240.0020.00516.54
7.4.230.0000.00716.38
7.4.220.0050.01316.45
7.4.210.0040.01016.43
7.4.200.0040.00416.33
7.4.190.0000.00816.64
7.4.160.0120.00416.54
7.4.150.0030.01317.40
7.4.140.0090.00817.86
7.4.130.0090.00816.65
7.4.120.0100.00816.53
7.4.110.0140.00416.54
7.4.100.0080.00916.49
7.4.90.0130.00316.32
7.4.80.0120.00619.39
7.4.70.0060.00916.25
7.4.60.0080.00816.49
7.4.50.0040.00416.55
7.4.40.0100.00322.77
7.4.30.0130.00316.43
7.4.00.0050.00914.97
7.3.330.0000.00513.26
7.3.320.0030.00313.27
7.3.310.0000.00916.34
7.3.300.0030.00316.29
7.3.290.0070.01116.29
7.3.280.0060.00916.26
7.3.270.0100.00717.40
7.3.260.0190.00616.45
7.3.250.0110.00816.40
7.3.240.0080.01116.36
7.3.230.0090.01216.39
7.3.210.0090.00916.20
7.3.200.0070.01119.39
7.3.190.0140.00716.25
7.3.180.0160.00316.66
7.3.170.0080.00816.27
7.3.160.0100.00516.33
7.3.120.0100.00814.98
7.3.110.0090.00914.94
7.3.100.0060.00914.83
7.3.90.0140.00314.70
7.3.80.0090.00915.20
7.3.70.0000.01514.90
7.3.60.0040.00814.77
7.3.50.0140.00014.51
7.3.40.0110.00314.63
7.3.30.0100.00314.80
7.3.20.0030.01416.54
7.3.10.0030.01016.71
7.3.00.0060.00616.80
7.2.330.0100.00716.64
7.2.320.0090.01216.58
7.2.310.0100.00616.57
7.2.300.0130.00316.48
7.2.290.0100.00716.73
7.2.250.0130.00614.70
7.2.240.0030.01414.87
7.2.230.0070.01114.61
7.2.220.0000.01814.82
7.2.210.0100.00714.62
7.2.200.0060.01314.74
7.2.190.0060.00914.91
7.2.180.0090.00614.58
7.2.170.0070.00714.81
7.1.330.0070.01015.92
7.1.320.0150.00015.61
7.1.310.0070.01015.88
7.1.300.0120.00315.73
7.1.290.0100.00315.45
7.1.280.0030.00615.69
7.1.270.0050.00515.75
7.1.260.0040.00415.38
7.1.70.0080.00817.19
7.1.60.0120.00919.40
7.1.50.0000.01016.54
7.1.00.0030.03322.51
7.0.200.0000.00716.73
7.0.140.0100.06721.95
7.0.60.0030.04020.07
7.0.50.0100.08017.87
7.0.40.0030.09020.13
7.0.30.0330.04720.10
7.0.20.0270.05320.09
7.0.10.0400.07720.26
7.0.00.0070.08720.33
5.6.280.0100.07020.79
5.6.210.0100.07320.71
5.6.200.0100.08318.23
5.6.190.0030.05320.67
5.6.180.3570.03720.64
5.6.170.0330.04020.56
5.6.160.0030.07720.44
5.6.150.0030.04318.27
5.6.140.0070.04018.14
5.6.130.0000.07318.21
5.6.120.0100.08020.97
5.6.110.0070.07321.09
5.6.100.0130.06021.00
5.6.90.0100.07321.14
5.6.80.0100.05320.53
5.6.70.0200.06720.39
5.5.350.0100.09720.41
5.5.340.0030.04318.08
5.5.330.0030.08020.32
5.5.320.0330.06020.32
5.5.310.0270.05720.51
5.5.300.0030.06018.02
5.5.290.0030.07717.92
5.5.280.0130.08020.74
5.5.270.0170.07320.73
5.5.260.0170.06720.76
5.5.250.0300.03720.71
5.5.240.0100.04720.04
5.4.450.4300.05019.43
5.4.440.0130.06719.43
5.4.430.1530.05019.58
5.4.420.4130.04019.55
5.4.410.4970.04019.17
5.4.400.3670.03018.99
5.4.390.2900.04019.11
5.4.380.4330.04019.22
5.4.370.4570.04018.95
5.4.360.3400.04019.13
5.4.350.2830.04719.18
5.4.340.3870.03019.13
5.4.320.4770.04019.06
5.4.310.4570.04019.20
5.4.300.4500.03319.04
5.4.290.4900.03719.10
5.4.280.4730.03018.99
5.4.270.4370.03019.22
5.4.260.4070.04018.99
5.4.250.4100.03719.12
5.4.240.3500.03719.13
5.4.230.3870.04019.25
5.4.220.6370.03018.98
5.4.210.4700.03719.21
5.4.200.4700.03719.21
5.4.190.4770.03719.16
5.4.180.4630.04018.93
5.4.170.4500.04319.23
5.4.160.4270.03719.23
5.4.150.4300.04019.00
5.4.140.3870.03716.50
5.4.130.4170.03016.50
5.4.120.3970.04016.39
5.4.110.4730.04316.45
5.4.100.4430.04316.64
5.4.90.4300.02316.48
5.4.80.4330.03016.30
5.4.70.4270.03716.43
5.4.60.3900.03716.50
5.4.50.4900.04016.48
5.4.40.4730.03716.30
5.4.30.4430.03716.19
5.4.20.3530.03316.45
5.4.10.4900.03716.48
5.4.00.4530.04015.89
5.3.290.4570.03714.67
5.3.280.3900.04014.59
5.3.270.3930.03314.60
5.3.260.4000.04014.52
5.3.250.4070.03314.66
5.3.240.3500.03014.78
5.3.230.4000.04014.62
5.3.220.4270.02314.72
5.3.210.3800.04314.48
5.3.200.4130.03714.56
5.3.190.4100.03714.45
5.3.180.4000.03714.57
5.3.170.4070.04014.45
5.3.160.4300.03714.57
5.3.150.4070.03014.63
5.3.140.4730.03014.46
5.3.130.3900.03714.54
5.3.120.4200.03714.62
5.3.110.4670.04314.54
5.3.100.4630.04014.03
5.3.90.5130.02713.94
5.3.80.4570.03714.03
5.3.70.4630.03714.01
5.3.60.4770.03313.92
5.3.50.4130.03713.98
5.3.40.4230.03713.83
5.3.30.4200.03713.95
5.3.20.3970.03313.68
5.3.10.3870.03713.66
5.3.00.5400.03313.79
5.2.170.4070.02011.21
5.2.160.3730.02311.10
5.2.150.3530.02311.06
5.2.140.2970.03711.14
5.2.130.3200.03311.13
5.2.120.3500.02711.07
5.2.110.3230.02711.04
5.2.100.4200.02311.04
5.2.90.3770.02311.17
5.2.80.1970.03311.14
5.2.70.2300.02710.98
5.2.60.2530.03011.20
5.2.50.3330.03310.90
5.2.40.2400.02711.00
5.2.30.2100.02710.96
5.2.20.2100.02710.88
5.2.10.2000.02710.79
5.2.00.1930.02710.71
5.1.60.1800.02310.13
5.1.50.2070.0279.92
5.1.40.2100.02310.03
5.1.30.2130.02310.37
5.1.20.2100.02710.39
5.1.10.2030.02310.04
5.1.00.1630.02710.12
5.0.50.1170.0178.54
5.0.40.0370.0178.40
5.0.30.1400.0278.17
5.0.20.1600.0208.18
5.0.10.1400.0208.21
5.0.00.1300.0278.13
4.4.90.0800.0135.83
4.4.80.0530.0135.80
4.4.70.0500.0135.77
4.4.60.1000.0175.82
4.4.50.1270.0175.83
4.4.40.0770.0235.84
4.4.30.0200.0175.87
4.4.20.1300.0135.95
4.4.10.0830.0175.95
4.4.00.1100.0275.80
4.3.110.1100.0135.86
4.3.100.1430.0175.82
4.3.90.1530.0135.68
4.3.80.1630.0275.67
4.3.70.1500.0205.71
4.3.60.1530.0175.74
4.3.50.1530.0175.70
4.3.40.1300.0275.69
4.3.30.0930.0235.16
4.3.20.0900.0205.16
4.3.10.1000.0205.16
4.3.00.0970.0205.16

preferences:
48.97 ms | 401 KiB | 5 Q