3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'a:2:{i:2;a:2:{s:5:"child";a:7:{s:10:"headertext";s:0:"";s:12:"facebookuser";s:12:"ILOVESWEETLE";s:11:"twitteruser";s:12:"ILOVESWEETLE";s:10:"googleuser";s:0:"";s:12:"linkedinuser";s:12:"club22286748";s:13:"pinterestuser";s:0:"";s:10:"widgetmode";s:4:"true";}s:6:"parent";a:0:{}}s:12:"_multiwidget";i:1;}'; y = json_decode($x); 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)
5.4.140.0110.04312.04
5.4.130.0770.03613.44
5.4.120.0120.04011.99
5.4.110.0120.04011.98
5.4.100.0100.04411.99
5.4.90.0130.04511.99
5.4.80.0160.04311.98
5.4.70.0130.04111.98
5.4.60.0150.04611.98
5.4.50.0110.04111.98
5.4.40.0130.03911.97
5.4.30.0080.04411.97
5.4.20.0150.05911.96
5.4.10.0100.04211.96
5.4.00.0130.03711.46
5.3.240.0150.03912.72
5.3.230.0420.04113.33
5.3.220.0110.04312.68
5.3.210.0200.05512.68
5.3.200.0130.04112.68
5.3.190.0130.04312.68
5.3.180.0130.04212.67
5.3.170.0100.04412.67
5.3.160.0150.04212.67
5.3.150.0220.05512.67
5.3.140.0140.04012.66
5.3.130.0130.04412.66
5.3.120.0130.04312.66
5.3.110.0140.04112.66
5.3.100.0150.05012.12
5.3.90.0120.04112.08
5.3.80.0110.04612.07
5.3.70.0130.04212.07
5.3.60.0150.04912.06
5.3.50.0100.04412.00
5.3.40.0120.04312.00
5.3.30.0140.04211.94
5.3.20.0140.04311.71
5.3.10.0130.03911.67
5.3.00.0160.03911.66
5.2.170.0200.0479.16
5.2.160.0130.0549.16
5.2.150.0120.0369.16
5.2.140.0130.0349.16
5.2.130.0100.0359.12
5.2.120.0160.0489.11
5.2.110.0150.0429.13
5.2.100.0140.0339.12
5.2.90.0120.0359.12
5.2.80.0090.0359.11
5.2.70.0090.0359.10
5.2.60.0100.0349.06
5.2.50.0080.0349.04
5.2.40.0100.0329.01
5.2.30.0160.0468.99
5.2.20.0080.0348.98
5.2.10.0110.0378.91
5.2.00.0100.0328.76
5.1.60.0120.0378.05
5.1.50.0160.0418.04
5.1.40.0100.0268.03
5.1.30.0190.0398.37
5.1.20.0130.0458.41
5.1.10.0080.0298.13
5.1.00.0140.0448.12
5.0.50.0120.0376.60
5.0.40.0090.0206.46
5.0.30.0140.0476.28
5.0.20.0090.0246.24
5.0.10.0070.0226.22
5.0.00.0070.0346.21
4.4.90.0050.0184.78
4.4.80.0060.0174.75
4.4.70.0040.0214.75
4.4.60.0060.0194.75
4.4.50.0140.0314.77
4.4.40.0050.0304.71
4.4.30.0060.0194.76
4.4.20.0060.0174.84
4.4.10.0090.0224.85
4.4.00.0040.0284.76
4.3.110.0050.0174.67
4.3.100.0070.0234.66
4.3.90.0050.0174.64
4.3.80.0060.0264.58
4.3.70.0050.0174.63
4.3.60.0080.0344.63
4.3.50.0050.0184.63
4.3.40.0040.0284.54
4.3.30.0040.0373.29
4.3.20.0020.0193.28
4.3.10.0040.0163.24
4.3.00.0080.0188.53

preferences:
138.8 ms | 1399 KiB | 7 Q