3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:3:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";r:2;}i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;r:4;}}}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($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)
8.3.60.0090.00616.63
8.3.50.0140.00016.24
8.3.40.0040.01118.84
8.3.30.0110.00418.66
8.3.20.0070.00020.20
8.3.10.0050.00323.49
8.3.00.0030.00619.80
8.2.180.0180.00318.29
8.2.170.0000.01522.96
8.2.160.0140.00019.46
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0060.00317.75
8.2.110.0030.00720.21
8.2.100.0120.00017.75
8.2.90.0030.00519.25
8.2.80.0030.00717.97
8.2.70.0000.00917.63
8.2.60.0000.00818.04
8.2.50.0070.00318.07
8.2.40.0000.00821.19
8.2.30.0030.00620.02
8.2.20.0060.00317.72
8.2.10.0040.00418.03
8.2.00.0030.00518.13
8.1.280.0130.01025.92
8.1.270.0030.00520.28
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00024.03
8.1.230.0090.00317.42
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0030.00518.10
8.1.170.0040.00418.50
8.1.160.0000.00722.01
8.1.150.0040.00418.75
8.1.140.0030.00517.36
8.1.130.0030.00317.56
8.1.120.0070.00017.34
8.1.110.0040.00417.37
8.1.100.0000.00917.45
8.1.90.0040.00417.33
8.1.80.0040.00417.39
8.1.70.0000.00717.42
8.1.60.0030.00617.54
8.1.50.0030.00617.51
8.1.40.0040.00417.37
8.1.30.0040.00417.42
8.1.20.0040.00417.64
8.1.10.0040.00417.52
8.1.00.0060.00317.48
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.38
8.0.270.0030.00317.27
8.0.260.0050.00217.31
8.0.250.0070.00017.01
8.0.240.0030.00516.92
8.0.230.0000.00717.05
8.0.220.0000.00716.97
8.0.210.0080.00016.96
8.0.200.0030.00317.01
8.0.190.0000.00716.94
8.0.180.0030.00716.82
8.0.170.0040.00416.86
8.0.160.0000.00716.93
8.0.150.0040.00416.98
8.0.140.0080.00016.93
8.0.130.0060.00013.46
8.0.120.0080.00016.95
8.0.110.0000.00716.98
8.0.100.0030.00616.91
8.0.90.0000.00716.75
8.0.80.0060.01216.89
8.0.70.0050.00316.91
8.0.60.0000.00716.70
8.0.50.0040.00416.88
8.0.30.0080.01317.02
8.0.20.0090.01017.40
8.0.10.0040.00416.84
8.0.00.0090.00916.89
7.4.330.0060.00015.08
7.4.320.0000.00616.40
7.4.300.0070.00016.46
7.4.290.0000.00716.52
7.4.280.0050.00216.34
7.4.270.0030.00316.35
7.4.260.0060.00316.51
7.4.250.0000.00716.40
7.4.240.0040.00416.52
7.4.230.0030.00316.61
7.4.220.0060.01116.47
7.4.210.0120.00516.57
7.4.200.0000.00716.52
7.4.160.0060.01016.43
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0140.00516.56
7.4.120.0050.01216.41
7.4.110.0030.01316.38
7.4.100.0160.00616.45
7.4.90.0100.00616.48
7.4.80.0110.00719.39
7.4.70.0100.00716.61
7.4.60.0080.01216.48
7.4.50.0040.00416.43
7.4.40.0080.01116.53
7.4.30.0210.00016.44
7.4.00.0030.01314.75
7.3.330.0000.00613.28
7.3.320.0000.00513.25
7.3.310.0000.00716.34
7.3.300.0000.00716.42
7.3.290.0030.00316.25
7.3.280.0060.01316.45
7.3.270.0060.01217.40
7.3.260.0090.01216.70
7.3.250.0060.01116.43
7.3.240.0130.00716.55
7.3.230.0130.01016.56
7.3.210.0060.01016.43
7.3.200.0120.00616.36
7.3.190.0130.00916.27
7.3.180.0030.01316.55
7.3.170.0040.01216.51
7.3.160.0090.00916.56
7.2.330.0110.00716.76
7.2.320.0170.00716.46
7.2.310.0180.00416.49
7.2.300.0070.01016.55
7.2.290.0000.01916.52
7.2.60.0070.01016.61
7.2.00.0040.01219.53
7.1.200.0080.00415.79
7.1.100.0000.01018.02
7.1.70.0000.00716.92
7.1.60.0070.01620.03
7.1.50.0080.00617.02
7.1.00.0100.09022.28
7.0.200.0030.00716.88
7.0.100.0170.04719.95
7.0.90.0030.04719.89
7.0.80.0030.04719.77
7.0.70.0030.04019.94
7.0.60.0100.05719.89
7.0.50.0030.04320.31
7.0.40.0030.04320.00
7.0.30.0170.02720.05
7.0.20.0070.03720.00
7.0.10.0130.03320.02
7.0.00.0000.04720.07
5.6.280.0100.04021.00
5.6.250.0100.03720.63
5.6.240.0100.03720.54
5.6.230.0070.03720.54
5.6.220.0070.04020.42
5.6.210.0070.03720.52
5.6.200.0000.07721.05
5.6.190.0070.03721.13
5.6.180.0100.03320.89
5.6.170.0030.04021.02
5.6.160.0000.04721.01
5.6.150.0070.03320.97
5.6.140.0100.07321.12
5.6.130.0000.06321.12
5.6.120.0070.04720.89
5.6.110.0100.03720.95
5.6.100.0030.04321.10
5.6.90.0030.03321.01
5.6.80.0070.05720.39
5.6.70.0000.06020.37
5.6.60.0070.03720.45
5.6.50.0070.07320.39
5.6.40.0070.06720.35
5.6.30.0100.06720.26
5.6.20.0070.06320.47
5.6.10.0030.08320.32
5.6.00.0070.07720.40
5.5.380.0100.05720.50
5.5.370.0070.03720.32
5.5.360.0030.04320.26
5.5.350.0130.04720.35
5.5.340.0100.04320.84
5.5.330.0030.06020.78
5.5.320.0030.05320.72
5.5.310.0030.04720.68
5.5.300.0000.04320.72
5.5.290.0000.05020.68
5.5.280.0030.04320.84
5.5.270.0000.04720.73
5.5.260.0070.03720.80
5.5.250.0100.04020.52
5.5.240.0000.04320.16
5.5.230.0030.05020.20
5.5.220.0070.08020.11
5.5.210.0030.06720.10
5.5.200.0030.04720.18
5.5.190.0100.07320.19
5.5.180.0200.06720.13
5.5.160.0270.04020.21
5.5.150.0030.05320.13
5.5.140.0100.04020.21
5.5.130.0170.07020.16
5.5.120.0000.07020.16
5.5.110.0070.05320.05
5.5.100.0070.04319.89
5.5.90.0100.07320.09
5.5.80.0070.06720.05
5.5.70.0100.07720.09
5.5.60.0070.04319.88
5.5.50.0070.07720.04
5.5.40.0070.07319.90
5.5.30.0170.07019.91
5.5.20.0100.06720.09
5.5.10.0100.07320.00
5.5.00.0100.04719.98
5.4.450.0070.03719.40
5.4.440.0100.03019.45
5.4.430.0030.03719.45
5.4.420.0100.03319.27
5.4.410.0030.08019.34
5.4.400.0030.05019.05
5.4.390.0070.07718.98
5.4.380.0100.06718.95
5.4.370.0100.06719.06
5.4.360.0030.07319.03
5.4.350.0100.07318.79
5.4.340.0070.06019.16
5.4.320.0070.05019.13
5.4.310.0030.07319.16
5.4.300.0030.05719.08
5.4.290.0030.06718.81
5.4.280.0030.08319.06
5.4.270.0170.07019.13
5.4.260.0000.08019.22
5.4.250.0100.04019.09
5.4.240.0100.07718.92
5.4.230.0130.03719.14
5.4.220.0130.07319.02
5.4.210.0130.07019.22
5.4.200.0070.06718.91
5.4.190.0030.08018.98
5.4.180.0300.05718.75
5.4.170.0130.04018.92
5.4.160.0130.06318.89
5.4.150.0100.08018.73
5.4.140.0030.07016.31
5.4.130.0030.07716.24
5.4.120.0230.05316.13
5.4.110.0130.06716.24
5.4.100.0000.06316.14
5.4.90.0000.07716.33
5.4.80.0030.07016.40
5.4.70.0100.06316.23
5.4.60.0030.05316.27
5.4.50.0100.06716.19
5.4.40.0030.05316.36
5.4.30.0030.06716.16
5.4.20.0030.06716.31
5.4.10.0100.05316.37
5.4.00.0130.06715.57

preferences:
49.76 ms | 400 KiB | 5 Q