3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; $b = $a; $c = $a; $b = 'bar'; unset($c);

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)
8.3.60.0070.01018.15
8.3.50.0110.00721.20
8.3.40.0100.00318.64
8.3.30.0130.00020.09
8.3.20.0080.00020.30
8.3.10.0050.00321.13
8.3.00.0000.00822.51
8.2.180.0100.01016.50
8.2.170.0180.00322.96
8.2.160.0110.00720.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0140.00420.75
8.2.110.0070.00319.38
8.2.100.0040.00817.59
8.2.90.0070.00019.08
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0000.00817.93
8.2.50.0030.00518.07
8.2.40.0080.00018.15
8.2.30.0030.00519.33
8.2.20.0040.00417.58
8.2.10.0060.00317.66
8.2.00.0000.00717.62
8.1.280.0100.00325.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.01020.69
8.1.230.0040.00720.97
8.1.220.0040.00418.77
8.1.210.0030.00618.86
8.1.200.0030.00617.23
8.1.190.0000.00817.41
8.1.180.0070.00418.10
8.1.170.0060.00318.57
8.1.160.0040.00418.68
8.1.150.0040.00418.63
8.1.140.0040.00417.37
8.1.130.0030.00317.86
8.1.120.0030.00317.21
8.1.110.0110.00017.32
8.1.100.0040.00417.38
8.1.90.0070.00017.36
8.1.80.0070.00017.33
8.1.70.0000.00717.34
8.1.60.0000.00817.39
8.1.50.0030.00517.46
8.1.40.0000.00717.43
8.1.30.0040.00417.54
8.1.20.0040.00417.57
8.1.10.0040.00417.48
8.1.00.0040.00417.41
8.0.300.0070.00019.93
8.0.290.0000.00717.16
8.0.280.0000.00718.35
8.0.270.0000.00816.73
8.0.260.0030.00318.24
8.0.250.0000.00716.92
8.0.240.0000.00816.84
8.0.230.0030.00316.84
8.0.220.0070.00016.71
8.0.210.0000.00716.83
8.0.200.0000.00716.86
8.0.190.0040.00416.84
8.0.180.0050.00316.87
8.0.170.0040.00416.73
8.0.160.0070.00016.77
8.0.150.0040.00416.66
8.0.140.0030.00416.69
8.0.130.0000.00513.29
8.0.120.0080.00016.75
8.0.110.0040.00416.66
8.0.100.0050.00216.87
8.0.90.0000.00716.69
8.0.80.0090.00616.72
8.0.70.0070.00016.80
8.0.60.0080.00016.66
8.0.50.0040.00416.71
8.0.30.0110.01016.81
8.0.20.0100.01017.40
8.0.10.0040.00416.91
8.0.00.0080.01216.72
7.4.330.0000.00516.66
7.4.320.0030.00316.43
7.4.300.0030.00316.43
7.4.290.0000.00716.52
7.4.280.0000.00716.41
7.4.270.0030.00316.44
7.4.260.0000.00613.21
7.4.250.0050.00316.29
7.4.240.0040.00416.44
7.4.230.0000.00716.46
7.4.220.0090.00916.30
7.4.210.0060.00916.49
7.4.200.0070.00016.41
7.4.190.0030.00316.57
7.4.160.0100.00616.50
7.4.150.0100.00717.40
7.4.140.0050.01517.86
7.4.130.0100.00716.47
7.4.120.0120.00416.43
7.4.110.0130.00316.49
7.4.100.0060.01016.42
7.4.90.0110.01216.48
7.4.80.0150.00319.39
7.4.70.0040.01216.41
7.4.60.0140.00316.38
7.4.50.0000.00816.40
7.4.40.0040.01122.77
7.4.30.0070.01116.49
7.4.00.0070.00714.52
7.3.330.0000.00513.13
7.3.320.0030.00313.14
7.3.310.0050.00216.03
7.3.300.0000.00616.21
7.3.290.0070.00716.30
7.3.280.0090.01116.18
7.3.270.0070.01017.40
7.3.260.0120.00818.24
7.3.250.0100.00616.37
7.3.240.0060.01016.57
7.3.230.0070.01016.43
7.3.210.0170.00016.21
7.3.200.0120.00919.39
7.3.190.0100.00616.18
7.3.180.0150.00616.32
7.3.170.0040.01216.50
7.3.160.0100.00516.12
7.3.120.0030.01214.38
7.3.10.0070.00716.64
7.3.00.0090.00616.62
7.2.330.0130.00716.45
7.2.320.0090.01216.53
7.2.310.0160.00316.30
7.2.300.0100.01016.20
7.2.290.0100.00616.46
7.2.130.0040.01116.58
7.2.120.0070.01016.87
7.2.110.0030.01016.64
7.2.100.0030.01016.84
7.2.90.0120.00616.82
7.2.80.0000.01116.96
7.2.70.0090.00616.66
7.2.60.0080.00516.66
7.2.50.0000.01616.61
7.2.40.0040.00816.85
7.2.30.0040.00816.89
7.2.20.0000.01216.54
7.2.10.0140.00016.93
7.2.00.0040.00917.80
7.1.250.0040.00715.53
7.1.200.0050.00515.72
7.1.100.0240.01018.07
7.1.70.0040.00416.89
7.1.60.0070.01419.17
7.1.50.0040.01916.86
7.1.00.0030.05722.31
7.0.200.0080.00016.38
7.0.140.0030.07322.09
7.0.100.0030.05719.93
7.0.90.0070.07319.91
7.0.80.0070.04019.88
7.0.70.0130.07019.86
7.0.60.0130.06719.93
7.0.50.0070.08720.37
7.0.40.0030.08720.13
7.0.30.0130.05320.10
7.0.20.0100.07720.05
7.0.10.0170.07320.10
7.0.00.0100.07720.12
5.6.280.0000.07721.04
5.6.250.0070.05320.60
5.6.240.0070.07720.73
5.6.230.0000.05020.59
5.6.220.0000.05320.47
5.6.210.0070.06320.46
5.6.200.0130.08321.03
5.6.190.0230.06721.04
5.6.180.0170.07021.09
5.6.170.0030.04321.04
5.6.160.0100.05321.07
5.6.150.0200.07021.01
5.6.140.0030.07021.10
5.6.130.0130.07020.98
5.6.120.0030.05020.93
5.6.110.0170.07320.91
5.6.100.0030.05721.00
5.6.90.0230.05720.99
5.6.80.0100.06320.49
5.6.70.0130.07720.42
5.6.60.0030.06720.41
5.6.50.0070.06020.55
5.6.40.0130.04020.38
5.6.30.0130.05720.46
5.6.20.0030.09020.39
5.6.10.0070.06720.36
5.6.00.0100.07720.41
5.5.380.0070.05020.42
5.5.370.0100.03720.47
5.5.360.0030.07320.31
5.5.350.0070.04720.39
5.5.340.0100.07020.91
5.5.330.0100.04320.82
5.5.320.0000.05720.83
5.5.310.0070.04320.89
5.5.300.0030.04020.88
5.5.290.0070.08720.75
5.5.280.0030.08720.91
5.5.270.0100.08020.89
5.5.260.0170.04720.77
5.5.250.0100.08320.66
5.5.240.0030.05320.25
5.5.230.0070.08020.27
5.5.220.0170.07020.30
5.5.210.0030.05320.29
5.5.200.0130.06020.14
5.5.190.0130.03720.20
5.5.180.0070.05720.26
5.5.160.0070.07720.20
5.5.150.0030.05020.27
5.5.140.0130.05320.20
5.5.130.0100.06720.07
5.5.120.0100.07720.25
5.5.110.0030.08320.13
5.5.100.0000.04020.04
5.5.90.0070.07720.05
5.5.80.0100.06720.14
5.5.70.0030.05020.05
5.5.60.0130.05019.92
5.5.50.0100.04320.09
5.5.40.0100.05020.10
5.5.30.0030.08320.01
5.5.20.0130.07320.08
5.5.10.0070.08019.98
5.5.00.0070.04320.02
5.4.450.0130.07019.58
5.4.440.0070.08319.30
5.4.430.0070.09019.38
5.4.420.0100.04019.44
5.4.410.0100.04019.29
5.4.400.0100.07018.90
5.4.390.0070.06319.05
5.4.380.0070.04318.78
5.4.370.0070.03719.12
5.4.360.0100.04719.04
5.4.350.0170.06718.81
5.4.340.0070.06319.11
5.4.320.0130.05019.03
5.4.310.0100.07019.13
5.4.300.0170.03318.97
5.4.290.0000.07019.02
5.4.280.0070.04018.81
5.4.270.0070.07319.14
5.4.260.0130.06718.89
5.4.250.0070.06718.79
5.4.240.0070.06719.12
5.4.230.0000.07018.82
5.4.220.0100.07319.05
5.4.210.0030.08019.08
5.4.200.0030.04719.11
5.4.190.0000.04719.06
5.4.180.0070.06719.11
5.4.170.0070.03719.09
5.4.160.0200.03319.05
5.4.150.0000.06719.05
5.4.140.0000.05316.29
5.4.130.0030.04016.27
5.4.120.0130.04316.21
5.4.110.0100.06716.36
5.4.100.0070.06316.43
5.4.90.0070.04716.24
5.4.80.0030.04316.25
5.4.70.0000.07016.21
5.4.60.0100.04716.19
5.4.50.0100.06716.33
5.4.40.0070.03316.36
5.4.30.0070.07716.23
5.4.20.0030.07716.22
5.4.10.0030.07716.27
5.4.00.0100.03315.66
5.3.290.0070.07014.52
5.3.280.0000.05314.45
5.3.270.0070.07714.48
5.3.260.0030.07314.51
5.3.250.0100.06314.59
5.3.240.0070.03714.59
5.3.230.0100.06314.50
5.3.220.0000.08314.42
5.3.210.0070.05314.57
5.3.200.0000.05314.55
5.3.190.0070.07714.42
5.3.180.0030.07014.56
5.3.170.0170.06714.41
5.3.160.0070.05714.41
5.3.150.0000.07714.48
5.3.140.0070.03314.50
5.3.130.0030.04314.52
5.3.120.0030.04014.53
5.3.110.0070.07314.53
5.3.100.0070.07713.95
5.3.90.0030.05314.00
5.3.80.0030.04713.87
5.3.70.0100.06314.00
5.3.60.0030.05013.86
5.3.50.0030.06313.95
5.3.40.0130.07013.93
5.3.30.0070.03713.81
5.3.20.0030.06713.67
5.3.10.0070.04313.59
5.3.00.0170.05013.62
5.2.170.0170.02011.16
5.2.160.0070.03010.92
5.2.150.0100.04711.00
5.2.140.0070.06011.00
5.2.130.0100.05711.09
5.2.120.0030.06010.96
5.2.110.0030.06310.96
5.2.100.0070.05711.08
5.2.90.0030.04310.93
5.2.80.0030.05010.91
5.2.70.0070.05011.09
5.2.60.0000.03710.89
5.2.50.0030.05711.03
5.2.40.0100.05010.91
5.2.30.0000.06010.92
5.2.20.0030.05310.84
5.2.10.0030.05710.88
5.2.00.0000.05310.73
5.1.60.0070.0439.97
5.1.50.0100.0479.82
5.1.40.0070.0439.80
5.1.30.0000.05010.27
5.1.20.0030.05710.28
5.1.10.0000.03310.05
5.1.00.0030.03310.12
5.0.50.0000.0278.38
5.0.40.0000.0238.39
5.0.30.0000.0678.11
5.0.20.0030.0438.28
5.0.10.0000.0238.21
5.0.00.0030.0508.14
4.4.90.0000.0377.96
4.4.80.0070.0207.96
4.4.70.0030.0207.96
4.4.60.0030.0237.96
4.4.50.0000.0377.96
4.4.40.0100.0437.96
4.4.30.0030.0307.96
4.4.20.0000.0177.96
4.4.10.0070.0277.96
4.4.00.0000.0277.96
4.3.110.0000.0377.96
4.3.100.0030.0337.96
4.3.90.0000.0307.96
4.3.80.0000.0277.96
4.3.70.0030.0237.96
4.3.60.0000.0237.96
4.3.50.0030.0277.96
4.3.40.0070.0477.96
4.3.30.0070.0237.96
4.3.20.0070.0177.96
4.3.10.0000.0377.96
4.3.00.0000.0377.96

preferences:
30.98 ms | 401 KiB | 5 Q