3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:2;a:1:{i:0;r:3;}}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } echo($x[0]); var_dump($x);

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)
8.3.60.0070.00716.63
8.3.50.0090.00921.07
8.3.40.0070.00718.92
8.3.30.0090.00618.79
8.3.20.0030.00320.16
8.3.10.0040.00423.48
8.3.00.0050.00319.79
8.2.180.0120.00316.75
8.2.170.0060.01222.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0090.00924.66
8.2.130.0060.00326.16
8.2.120.0060.00317.63
8.2.110.0070.00322.07
8.2.100.0030.00917.91
8.2.90.0050.00318.12
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0030.00519.46
8.2.30.0090.00019.78
8.2.20.0000.00717.69
8.2.10.0000.00817.95
8.2.00.0050.00217.98
8.1.280.0140.00725.92
8.1.270.0080.00020.38
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.14
8.1.230.0040.00820.96
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0070.00617.24
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0000.00818.57
8.1.160.0030.00521.82
8.1.150.0030.00618.79
8.1.140.0040.00417.36
8.1.130.0030.00317.63
8.1.120.0050.00317.32
8.1.110.0070.00017.41
8.1.100.0100.00017.46
8.1.90.0070.00017.36
8.1.80.0000.00817.41
8.1.70.0030.00317.34
8.1.60.0040.00417.54
8.1.50.0000.00817.52
8.1.40.0000.00817.41
8.1.30.0000.00817.67
8.1.20.0000.00717.58
8.1.10.0000.00717.67
8.1.00.0000.00817.54
8.0.300.0000.00720.09
8.0.290.0040.00416.75
8.0.280.0000.00718.50
8.0.270.0070.00017.14
8.0.260.0060.00318.44
8.0.250.0040.00417.05
8.0.240.0000.00817.00
8.0.230.0030.00317.02
8.0.220.0070.00016.90
8.0.210.0050.00316.95
8.0.200.0030.00317.02
8.0.190.0040.00417.02
8.0.180.0060.00317.02
8.0.170.0040.00416.86
8.0.160.0000.00716.87
8.0.150.0040.00417.01
8.0.140.0040.00316.91
8.0.130.0060.00013.41
8.0.120.0000.00816.86
8.0.110.0040.00416.88
8.0.100.0080.00016.88
8.0.90.0040.00416.93
8.0.80.0040.01516.90
8.0.70.0030.00616.89
8.0.60.0040.00316.74
8.0.50.0000.00816.72
8.0.30.0050.01317.13
8.0.20.0080.01117.40
8.0.10.0040.00417.05
8.0.00.0130.00516.83
7.4.330.0000.00515.08
7.4.320.0060.00016.50
7.4.300.0030.00316.53
7.4.290.0000.00716.51
7.4.280.0040.00416.46
7.4.270.0070.00016.45
7.4.260.0030.00816.51
7.4.250.0070.00016.57
7.4.240.0020.00616.55
7.4.230.0000.00716.45
7.4.220.0120.01216.49
7.4.210.0080.00916.51
7.4.200.0070.00016.50
7.4.160.0100.01316.56
7.4.150.0070.01117.40
7.4.140.0150.00417.86
7.4.130.0110.00916.47
7.4.120.0110.01116.45
7.4.110.0040.01416.42
7.4.100.0110.01216.47
7.4.90.0060.01016.53
7.4.80.0070.01319.39
7.4.70.0100.00616.46
7.4.60.0110.00616.54
7.4.50.0000.00816.45
7.4.40.0120.00416.43
7.4.30.0150.00416.62
7.4.00.0030.01315.06
7.3.330.0000.00513.09
7.3.320.0050.00013.34
7.3.310.0030.00316.50
7.3.300.0000.00716.32
7.3.290.0030.00316.27
7.3.280.0090.00816.44
7.3.270.0120.00617.40
7.3.260.0070.01716.36
7.3.250.0100.00616.47
7.3.240.0190.00416.40
7.3.230.0110.00716.39
7.3.210.0120.00416.55
7.3.200.0030.02016.62
7.3.190.0080.00916.31
7.3.180.0090.00616.50
7.3.170.0120.00616.47
7.3.160.0140.00416.39
7.2.330.0120.00616.86
7.2.320.0070.01316.61
7.2.310.0060.00916.69
7.2.300.0090.00916.50
7.2.290.0050.01516.57
7.2.60.0080.00816.81
7.2.00.0030.00919.59
7.1.200.0030.00915.68
7.1.100.0030.00618.19
7.1.70.0000.01017.19
7.1.60.0100.01420.03
7.1.50.0240.01234.84
7.1.00.0000.08022.34
7.0.200.1640.00715.18
7.0.60.0100.08019.91
7.0.50.0100.06717.82
7.0.40.0100.07020.27
7.0.30.0270.04320.20
7.0.20.0500.05720.18
7.0.10.0100.05020.30
7.0.00.0030.04020.19
5.6.280.0000.03321.04
5.6.210.0100.08020.72
5.6.200.0100.06318.27
5.6.190.0030.05720.49
5.6.180.0400.06320.39
5.6.170.0400.07020.52
5.6.160.0030.06720.43
5.6.150.0030.07018.15
5.6.140.0070.07718.27
5.6.130.0000.06718.21
5.6.120.0030.08720.97
5.6.110.0000.08020.98
5.6.100.0130.07321.00
5.6.90.0030.08320.96
5.6.80.0070.07020.35
5.5.350.4330.03320.33
5.5.340.0030.05717.99
5.5.330.0000.05320.19
5.5.320.0270.04020.23
5.5.310.0330.05320.21
5.5.300.0130.08017.94
5.5.290.0170.07017.94
5.5.280.0070.04720.73
5.5.270.0070.06020.64
5.5.260.0130.07020.84
5.5.250.0070.06720.55
5.5.240.0070.02720.15
5.4.450.0170.06019.63
5.4.440.0100.06319.44
5.4.430.0200.05019.41
5.4.420.0200.05019.54
5.4.410.0170.05319.21
5.4.400.0130.05319.20
5.4.390.0200.05019.21
5.4.380.0100.06018.82
5.4.370.0100.05719.23
5.4.360.0130.05719.11
5.4.350.0100.06019.08
5.4.340.0230.04719.25
5.4.320.0070.06018.82
5.4.310.0100.05719.21
5.4.300.0100.06019.19
5.4.290.0230.04719.19
5.4.280.0270.07018.99
5.4.270.0100.06019.19
5.4.260.0230.05318.94
5.4.250.0170.05719.07
5.4.240.0100.06719.09
5.4.230.0200.05319.20
5.4.220.0030.06719.20
5.4.210.0200.04719.19
5.4.200.0100.05719.21
5.4.190.0100.06019.29
5.4.180.0130.05719.08
5.4.170.0070.06318.83
5.4.160.0030.06719.19
5.4.150.0130.06018.99
5.4.140.0070.06016.29
5.4.130.0100.05316.31
5.4.120.0130.06016.52
5.4.110.0100.05316.19
5.4.100.0170.05016.64
5.4.90.0200.04316.43
5.4.80.0170.04716.51
5.4.70.0230.06716.35
5.4.60.0330.05716.22
5.4.50.0130.04016.43
5.4.40.0300.04016.51
5.4.30.0030.06016.42
5.4.20.0200.07016.48
5.4.10.0270.04016.34

preferences:
42.99 ms | 401 KiB | 5 Q