3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new ArrayObject(["a" => 1]); $obj["a"] .= "test"; var_dump($obj["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)
8.3.60.0170.00318.30
8.3.50.0160.00522.04
8.3.40.0070.01418.76
8.3.30.0080.00619.19
8.3.20.0090.00920.25
8.3.10.0040.00423.71
8.3.00.0040.00419.79
8.2.180.0120.00316.32
8.2.170.0100.01018.88
8.2.160.0140.00322.96
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0050.00320.63
8.2.110.0030.00621.04
8.2.100.0120.00017.72
8.2.90.0050.00318.14
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0040.00418.03
8.2.20.0020.00517.55
8.2.10.0080.00017.91
8.2.00.0000.00717.73
8.1.280.0100.00625.92
8.1.270.0110.00422.24
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00022.61
8.1.230.0030.00720.77
8.1.220.0060.00317.74
8.1.210.0000.00818.85
8.1.200.0030.00617.23
8.1.190.0050.00217.53
8.1.180.0000.00818.64
8.1.170.0060.00318.46
8.1.160.0000.00721.91
8.1.150.0040.00418.81
8.1.140.0030.00617.28
8.1.130.0000.00717.72
8.1.120.0040.00417.43
8.1.110.0000.00717.28
8.1.100.0040.00417.30
8.1.90.0040.00417.37
8.1.80.0030.00317.40
8.1.70.0030.00317.28
8.1.60.0030.00617.39
8.1.50.0040.00417.49
8.1.40.0070.00017.34
8.1.30.0040.00417.61
8.1.20.0030.00517.56
8.1.10.0040.00417.48
8.1.00.0080.00017.50
8.0.300.0080.00020.04
8.0.290.0030.00316.93
8.0.280.0050.00318.38
8.0.270.0000.00716.73
8.0.260.0000.00617.19
8.0.250.0040.00416.82
8.0.240.0050.00316.93
8.0.230.0000.00716.89
8.0.220.0030.00316.68
8.0.210.0040.00416.86
8.0.200.0030.00516.81
8.0.190.0030.00516.84
8.0.180.0040.00416.85
8.0.170.0020.00516.83
8.0.160.0000.00716.70
8.0.150.0040.00416.75
8.0.140.0040.00416.65
8.0.130.0050.00013.33
8.0.120.0060.00316.76
8.0.110.0040.00416.71
8.0.100.0040.00416.64
8.0.90.0020.00516.80
8.0.80.0090.01316.83
8.0.70.0030.00616.71
8.0.60.0000.00816.81
8.0.50.0040.00416.88
8.0.30.0110.01116.89
8.0.20.0120.00717.40
8.0.10.0030.00516.77
8.0.00.0100.00816.59
7.4.330.0000.00515.16
7.4.320.0040.00416.48
7.4.300.0000.00616.48
7.4.290.0070.00016.37
7.4.280.0030.00516.51
7.4.270.0030.00316.45
7.4.260.0050.00216.40
7.4.250.0040.00416.41
7.4.240.0020.00516.43
7.4.230.0000.00716.33
7.4.220.0160.01316.57
7.4.210.0120.00316.49
7.4.200.0030.00316.27
7.4.160.0100.00616.58
7.4.150.0210.00017.40
7.4.140.0100.00917.86
7.4.130.0090.00916.42
7.4.120.0120.00616.57
7.4.110.0120.01216.30
7.4.100.0140.00316.49
7.4.90.0110.00616.46
7.4.80.0030.01619.39
7.4.70.0060.01016.15
7.4.60.0140.00316.49
7.4.50.0040.00016.42
7.4.40.0100.01316.47
7.4.30.0130.00416.40
7.4.00.0060.00914.96
7.3.330.0030.00312.93
7.3.320.0030.00313.17
7.3.310.0030.00316.27
7.3.300.0050.00216.23
7.3.290.0040.01216.30
7.3.280.0110.00616.25
7.3.270.0120.00617.40
7.3.260.0140.00416.34
7.3.250.0120.00516.24
7.3.240.0030.01316.36
7.3.230.0130.00316.63
7.3.210.0100.00616.27
7.3.200.0100.00719.39
7.3.190.0090.01616.32
7.3.180.0080.00816.30
7.3.170.0100.00716.27
7.3.160.0130.00316.15
7.2.330.0130.00616.63
7.2.320.0030.01416.58
7.2.310.0060.01216.72
7.2.300.0090.00616.36
7.2.290.0090.00916.85
7.2.60.0130.00317.15
7.1.200.0030.00915.67
7.1.70.0000.00817.04
7.1.60.0040.00719.29
7.1.50.0080.00416.68
7.1.00.0030.07722.51
7.0.200.0740.00314.79
7.0.140.0070.06722.21
7.0.60.0070.07719.85
7.0.50.0000.07717.89
7.0.40.0100.08020.21
7.0.30.0300.07720.20
7.0.20.0200.03720.16
7.0.10.0130.08320.18
7.0.00.0100.07720.17
5.6.280.0070.07021.14
5.6.210.0070.04020.44
5.6.200.0030.04318.15
5.6.190.0070.06720.67
5.6.180.0170.06020.41
5.6.170.1270.05020.33
5.6.160.0130.07720.54
5.6.150.0170.07318.12
5.6.140.0030.06718.18
5.6.130.0170.07718.21
5.6.120.0030.09020.98
5.6.110.0030.04321.13
5.6.100.0070.07020.96
5.6.90.0100.08021.02
5.6.80.0130.07720.52
5.5.350.0170.06720.48
5.5.340.0030.08017.88
5.5.330.0030.05320.13
5.5.320.0300.04720.15
5.5.310.0300.06320.17
5.5.300.0030.03718.02
5.5.290.0000.04317.91
5.5.280.0130.05020.97
5.5.270.0070.08020.65
5.5.260.0130.07320.87
5.5.250.0070.08320.68
5.5.240.0000.09320.03
5.4.450.0500.07719.13
5.4.440.0900.06319.45
5.4.430.0200.05319.32
5.4.420.0130.05719.68
5.4.410.0130.05719.39
5.4.400.0270.06019.40
5.4.390.0200.05319.16
5.4.380.0230.05018.57
5.4.370.0070.04318.71
5.4.360.0070.04318.54
5.4.350.0130.04318.58
5.4.340.0000.05318.43
5.4.320.0170.04018.53
5.4.310.0200.04318.63
5.4.300.0100.04018.56
5.4.290.0170.04318.53
5.4.280.0100.05018.63
5.4.270.0170.05018.53
5.4.260.0030.04018.55
5.4.250.0130.03718.57
5.4.240.0030.04318.53
5.4.230.0030.04018.60
5.4.220.0130.05018.57
5.4.210.0100.04718.50
5.4.200.0100.03316.33
5.4.190.0030.04318.43
5.4.180.0230.04718.49
5.4.170.0170.04318.63
5.4.160.0230.03718.43
5.4.150.0100.05318.55
5.4.140.0170.04716.02
5.4.130.0070.04016.12
5.4.120.0100.04016.03
5.4.110.0230.02716.16
5.4.100.0030.05015.99
5.4.90.0130.04716.14
5.4.80.0230.04016.21
5.4.70.0070.05716.16
5.4.60.0200.04016.16
5.4.50.0130.04716.14
5.4.40.0030.04316.08
5.4.30.0070.03716.01
5.4.20.0070.04016.01
5.4.10.0100.04016.08
5.4.00.0030.04015.48
5.3.290.0100.04314.71
5.3.280.0030.04714.45
5.3.270.0030.04314.49
5.3.260.0100.05014.54
5.3.250.0100.03714.49
5.3.240.0070.04014.63
5.3.230.0100.03714.49
5.3.220.0070.04014.48
5.3.210.0100.03714.60
5.3.200.0070.03714.49
5.3.190.0170.03314.48
5.3.180.0070.03714.60
5.3.170.0130.03314.62
5.3.160.0130.03014.41
5.3.150.0030.04314.57
5.3.140.0030.04314.42
5.3.130.0030.04314.56
5.3.120.0000.04714.48
5.3.110.0030.04314.59
5.3.100.0200.02713.90
5.3.90.0100.03713.93
5.3.80.0070.03713.95
5.3.70.0070.04013.93
5.3.60.0070.04313.90
5.3.50.0030.04313.81
5.3.40.0100.03713.99
5.3.30.0100.03013.84
5.3.20.0100.03313.61
5.3.10.0070.04713.57
5.3.00.0170.03713.63
5.2.170.0100.02711.12
5.2.160.0030.03011.20
5.2.150.0100.02711.23
5.2.140.0030.03311.00
5.2.130.0070.04010.96
5.2.120.0030.03311.00
5.2.110.0030.03010.99
5.2.100.0030.03011.00
5.2.90.0070.03011.17
5.2.80.0100.02711.14
5.2.70.0070.03711.19
5.2.60.0000.03711.13
5.2.50.0100.02710.93
5.2.40.0030.03011.05
5.2.30.0030.03310.89
5.2.20.0130.02311.05
5.2.10.0100.02710.84
5.2.00.0030.03310.67
5.1.60.0030.0309.95
5.1.50.0130.0239.94
5.1.40.0100.0309.91
5.1.30.0070.02710.31
5.1.20.0070.02710.38
5.1.10.0100.03010.02
5.1.00.0100.02310.13
5.0.50.0030.0208.46
5.0.40.0070.0178.39
5.0.30.0030.0408.13
5.0.20.0000.0278.23
5.0.10.0000.0238.23
5.0.00.0100.0278.13
4.4.90.0000.0175.86
4.4.80.0030.0135.80
4.4.70.0000.0175.86
4.4.60.0070.0105.84
4.4.50.0000.0235.86
4.4.40.0070.0275.85
4.4.30.0030.0135.83
4.4.20.0030.0235.98
4.4.10.0030.0175.90
4.4.00.0000.0305.95
4.3.110.0030.0175.81
4.3.100.0000.0175.73
4.3.90.0070.0205.75
4.3.80.0030.0235.81
4.3.70.0000.0175.76
4.3.60.0030.0135.76
4.3.50.0000.0175.83
4.3.40.0000.0275.81
4.3.30.0070.0134.63
4.3.20.0000.0204.47
4.3.10.0000.0174.55
4.3.00.0030.0207.36

preferences:
50.89 ms | 401 KiB | 5 Q