3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $prop; function __wakeup() { $this->prop = 'prop'; } } $x = 'a:4:{i:0;O:8:"stdClass":1:{i:0;a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:4:"prop";R:2;}i:2;N;i:3;R:3;}'; $y = unserialize($x); for($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($y);

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)
8.3.60.0100.01016.88
8.3.50.0140.00621.21
8.3.40.0040.01118.84
8.3.30.0070.00718.71
8.3.20.0040.00420.20
8.3.10.0040.00421.71
8.3.00.0030.00619.68
8.2.180.0130.00916.32
8.2.170.0110.00722.96
8.2.160.0070.00720.44
8.2.150.0150.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0100.00017.88
8.2.110.0030.00719.37
8.2.100.0040.00817.63
8.2.90.0070.00019.39
8.2.80.0040.00417.97
8.2.70.0040.00417.49
8.2.60.0060.00318.05
8.2.50.0000.00818.07
8.2.40.0030.00519.28
8.2.30.0030.00520.70
8.2.20.0040.00417.76
8.2.10.0000.00818.14
8.2.00.0070.00018.13
8.1.280.0110.00725.92
8.1.270.0050.00323.92
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.67
8.1.230.0120.00017.48
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0040.00417.25
8.1.180.0070.00018.10
8.1.170.0040.00418.60
8.1.160.0040.00421.93
8.1.150.0000.00718.75
8.1.140.0000.00817.41
8.1.130.0040.00417.57
8.1.120.0000.00717.44
8.1.110.0080.00017.32
8.1.100.0040.00417.44
8.1.90.0070.00017.40
8.1.80.0020.00517.35
8.1.70.0030.00317.34
8.1.60.0040.00417.54
8.1.50.0030.00517.50
8.1.40.0030.00517.53
8.1.30.0000.00917.68
8.1.20.0050.00317.56
8.1.10.0000.00817.54
8.1.00.0000.00717.60
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.43
8.0.270.0000.00717.27
8.0.260.0040.00417.26
8.0.250.0040.00417.02
8.0.240.0040.00417.04
8.0.230.0000.00716.93
8.0.220.0050.00317.01
8.0.210.0030.00316.98
8.0.200.0070.00017.06
8.0.190.0040.00416.92
8.0.180.0000.00817.00
8.0.170.0030.00516.86
8.0.160.0040.00417.01
8.0.150.0000.00716.88
8.0.140.0040.00316.80
8.0.130.0030.00313.34
8.0.120.0030.00616.93
8.0.110.0040.00416.94
8.0.100.0000.00716.79
8.0.90.0080.00016.91
8.0.80.0090.00616.98
8.0.70.0040.00416.93
8.0.60.0000.00716.78
8.0.50.0040.00416.79
8.0.30.0110.00917.14
8.0.20.0110.01017.40
8.0.10.0040.00416.90
8.0.00.0080.01516.76
7.4.330.0000.00515.08
7.4.320.0060.00016.46
7.4.300.0070.00016.63
7.4.290.0000.00716.57
7.4.280.0050.00516.64
7.4.270.0040.00416.45
7.4.260.0000.00716.52
7.4.250.0050.00216.54
7.4.240.0020.00516.58
7.4.230.0070.00016.52
7.4.220.0130.00316.54
7.4.210.0090.00516.58
7.4.200.0070.00016.71
7.4.160.0130.01016.76
7.4.150.0110.00717.40
7.4.140.0100.01017.86
7.4.130.0060.01116.61
7.4.120.0130.00516.49
7.4.110.0080.00916.47
7.4.100.0090.00916.51
7.4.90.0130.01016.74
7.4.80.0140.00419.39
7.4.70.0040.01416.61
7.4.60.0100.00716.58
7.4.50.0080.00016.41
7.4.40.0120.00616.72
7.4.30.0150.00916.42
7.4.00.0040.00815.10
7.3.330.0030.00313.19
7.3.320.0050.00013.25
7.3.310.0030.00316.34
7.3.300.0030.00316.24
7.3.290.0000.00716.26
7.3.280.0100.01016.38
7.3.270.0060.01217.40
7.3.260.0120.01216.48
7.3.250.0090.00916.42
7.3.240.0070.01016.40
7.3.230.0130.00416.61
7.3.210.0140.00416.40
7.3.200.0100.00716.66
7.3.190.0060.01116.45
7.3.180.0090.00616.45
7.3.170.0060.01316.68
7.3.160.0130.00316.46
7.3.10.0060.00316.72
7.3.00.0030.01316.89
7.2.330.0120.00616.49
7.2.320.0060.01516.47
7.2.310.0090.00916.75
7.2.300.0120.01216.66
7.2.290.0060.01116.82
7.2.130.0070.00716.95
7.2.120.0060.00316.76
7.2.110.0070.01016.71
7.2.100.0070.01016.71
7.2.90.0070.00716.91
7.2.80.0000.01416.95
7.2.70.0100.00617.00
7.2.60.0060.00816.81
7.2.50.0030.00917.00
7.2.40.0000.01416.93
7.2.30.0090.00617.03
7.2.20.0000.01016.71
7.2.10.0000.01316.69
7.2.00.0040.01018.13
7.1.250.0090.00315.92
7.1.200.0030.01015.69
7.1.100.0040.00818.03
7.1.70.0050.00317.09
7.1.60.0040.00719.27
7.1.50.0290.00634.96
7.1.00.0070.07322.32
7.0.200.0160.00716.73
7.0.100.0130.04320.04
7.0.90.0130.03319.93
7.0.80.0130.04320.00
7.0.70.0370.02320.00
7.0.60.0170.03720.05
7.0.50.0130.03020.26
7.0.40.0030.03320.18
7.0.30.0030.03720.09
7.0.20.0130.06020.05
7.0.10.0000.05020.07
7.0.00.0070.05720.04
5.6.280.0000.06320.82
5.6.250.0070.04020.69
5.6.240.0070.04020.60
5.6.230.0070.04320.59
5.6.220.0130.02320.59
5.6.210.0030.03320.74
5.6.200.0100.03021.05
5.6.190.0070.04321.08
5.6.180.0030.03320.96
5.6.170.0000.04020.99
5.6.160.0100.06320.96
5.6.150.0130.07321.05
5.6.140.0070.06720.95
5.6.130.0030.05021.04
5.6.120.0070.04321.14
5.6.110.0000.09721.01
5.6.100.0170.05021.16
5.6.90.0070.08021.02
5.6.80.0070.07720.31
5.6.70.0200.06320.55
5.6.60.0170.07320.33
5.6.50.0070.04020.32
5.6.40.0030.08020.47
5.6.30.0030.06020.50
5.6.20.0170.06720.29
5.6.10.0070.04720.52
5.6.00.0030.07020.48
5.5.380.0030.04020.45
5.5.370.0030.04020.41
5.5.360.0000.04720.38
5.5.350.0070.04020.34
5.5.340.0030.03720.87
5.5.330.0070.03020.89
5.5.320.0030.04320.90
5.5.310.0100.03720.88
5.5.300.0100.07720.91
5.5.290.0100.07320.73
5.5.280.0130.04320.78
5.5.270.0130.05320.75
5.5.260.0100.04720.63
5.5.250.0100.07020.57
5.5.240.0130.07020.27
5.5.230.0070.04320.26
5.5.220.0070.07720.18
5.5.210.0000.08720.02
5.5.200.0100.07720.13
5.5.190.0030.07020.22
5.5.180.0030.04320.26
5.5.160.0130.03320.29
5.5.150.0070.05720.08
5.5.140.0000.04720.14
5.5.130.0070.06720.23
5.5.120.0130.07320.13
5.5.110.0100.06720.24
5.5.100.0100.04020.16
5.5.90.0070.04320.09
5.5.80.0100.07720.07
5.5.70.0070.07320.09
5.5.60.0100.05320.01
5.5.50.0170.08720.11
5.5.40.0100.07320.09
5.5.30.0070.08320.03
5.5.20.0030.08020.14
5.5.10.0070.08320.13
5.5.00.0100.06020.00
5.4.450.0030.05019.46
5.4.440.0130.07719.45
5.4.430.0000.05719.35
5.4.420.0100.06719.35
5.4.410.0130.03319.24
5.4.400.0030.07719.05
5.4.390.0030.08319.03
5.4.380.0170.06718.88
5.4.370.0070.05019.14
5.4.360.0030.05019.23
5.4.350.0000.05719.03
5.4.340.0030.06018.87
5.4.320.0070.06719.23
5.4.310.0070.07719.03
5.4.300.0100.06719.04
5.4.290.0100.07319.14
5.4.280.0130.06719.13
5.4.270.0070.07718.84
5.4.260.0030.06319.13
5.4.250.0130.05718.87
5.4.240.0130.07319.12
5.4.230.0030.07719.17
5.4.220.0030.06719.02
5.4.210.0130.06719.02
5.4.200.0030.04718.94
5.4.190.0070.07718.84
5.4.180.0030.06719.11
5.4.170.0000.05019.02
5.4.160.0130.06719.23
5.4.150.0100.05318.88
5.4.140.0100.04016.37
5.4.130.0130.06316.42
5.4.120.0070.06316.40
5.4.110.0070.05716.43
5.4.100.0070.06316.34
5.4.90.0000.04716.45
5.4.80.0070.03316.38
5.4.70.0070.03316.42
5.4.60.0170.04716.32
5.4.50.0100.05316.22
5.4.40.0070.04316.50
5.4.30.0000.05716.40
5.4.20.0030.03716.30
5.4.10.0030.05316.24
5.4.00.0000.06315.85

preferences:
36.57 ms | 401 KiB | 5 Q