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)
8.3.60.0040.01116.38
8.3.50.0190.00916.35
8.3.40.0110.00718.67
8.3.30.0090.00618.67
8.3.20.0030.00618.60
8.3.10.0040.00418.77
8.3.00.0040.00717.38
8.2.180.0170.00318.41
8.2.170.0040.01222.96
8.2.160.0140.00418.66
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00020.80
8.2.110.0060.00320.59
8.2.100.0080.00417.72
8.2.90.0060.00317.50
8.2.80.0030.00518.77
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0070.00017.80
8.2.40.0000.00819.67
8.2.30.0050.00217.51
8.2.20.0070.00417.54
8.2.10.0030.00517.59
8.2.00.0060.00317.63
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00419.06
8.1.230.0090.00317.76
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0050.00517.00
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0030.00517.62
8.1.160.0040.00418.95
8.1.150.0050.00318.57
8.1.140.0070.00017.43
8.1.130.0000.00717.73
8.1.120.0070.00017.43
8.1.110.0000.00717.37
8.1.100.0000.00717.28
8.1.90.0050.00217.35
8.1.80.0040.00417.36
8.1.70.0030.00317.41
8.1.60.0000.01017.50
8.1.50.0040.00417.46
8.1.40.0000.00717.42
8.1.30.0020.00517.63
8.1.20.0000.00817.48
8.1.10.0000.00817.38
8.1.00.0040.00417.40
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0000.00818.56
8.0.270.0070.00017.18
8.0.260.0040.00416.71
8.0.250.0080.00016.90
8.0.240.0000.00716.86
8.0.230.0040.00416.89
8.0.220.0000.00716.82
8.0.210.0000.00816.69
8.0.200.0030.00316.89
8.0.190.0030.00516.89
8.0.180.0040.00416.80
8.0.170.0030.00616.68
8.0.160.0000.00716.74
8.0.150.0040.00416.71
8.0.140.0080.00016.70
8.0.130.0050.00013.26
8.0.120.0020.00716.69
8.0.110.0040.00416.74
8.0.100.0040.00416.73
8.0.90.0050.00216.81
8.0.80.0100.00716.78
8.0.70.0050.00216.81
8.0.60.0080.00016.70
8.0.50.0060.00316.71
8.0.30.0070.01117.09
8.0.20.0080.01816.95
8.0.10.0040.00416.84
8.0.00.0090.01016.59
7.4.330.0040.00012.81
7.4.320.0030.00316.43
7.4.300.0030.00316.53
7.4.290.0000.00716.36
7.4.280.0020.00516.38
7.4.270.0070.00016.44
7.4.260.0030.00313.23
7.4.250.0070.00016.53
7.4.240.0030.00316.45
7.4.230.0030.00316.61
7.4.220.0110.00416.40
7.4.210.0090.00616.55
7.4.200.0000.00716.34
7.4.190.0030.00316.32
7.4.160.0060.00916.50
7.4.150.0030.01716.23
7.4.140.0080.00816.55
7.4.130.0100.00716.40
7.4.120.0090.00616.23
7.4.110.0160.00416.29
7.4.100.0080.00816.38
7.4.90.0130.01016.27
7.4.80.0070.01019.39
7.4.70.0040.01116.54
7.4.60.0110.00416.40
7.4.50.0040.00816.28
7.4.40.0060.01116.28
7.4.30.0100.00716.51
7.4.00.0060.00315.00
7.3.330.0000.00712.89
7.3.320.0060.00012.88
7.3.310.0030.00316.07
7.3.300.0000.00716.14
7.3.290.0090.00916.17
7.3.280.0100.00616.13
7.3.270.0030.01316.58
7.3.260.0130.00316.50
7.3.250.0070.01216.11
7.3.240.0150.00816.39
7.3.230.0030.01616.39
7.3.210.0030.01316.12
7.3.200.0090.01016.08
7.3.190.0180.00316.09
7.3.180.0060.00916.18
7.3.170.0070.01416.27
7.3.160.0140.00316.05
7.3.120.0090.00614.88
7.2.330.0080.00816.53
7.2.320.0160.00616.54
7.2.310.0090.01216.37
7.2.300.0030.01316.61
7.2.290.0040.01216.64
7.2.00.0000.01319.19
7.1.200.0030.01315.42
7.1.100.0040.01217.93
7.1.70.0000.01016.96
7.1.60.0140.01119.30
7.1.50.0070.01616.54
7.1.00.0070.07022.36
7.0.200.0070.00716.61
7.0.140.0070.07021.98
7.0.120.0030.07022.01
7.0.60.0100.05719.94
7.0.50.0170.03017.90
7.0.40.0000.09019.96
7.0.30.0270.08020.02
7.0.20.0170.08720.16
7.0.10.0200.04320.13
7.0.00.0000.04320.16
5.6.280.0100.06720.86
5.6.210.0070.07320.73
5.6.200.0070.08018.22
5.6.190.0070.09020.67
5.6.180.0170.04320.30
5.6.170.0300.07020.52
5.6.160.0070.05320.40
5.6.150.0070.05318.21
5.6.140.0170.02718.21
5.6.130.0200.05718.21
5.6.120.0030.08721.00
5.6.110.0100.06020.98
5.6.100.0130.05320.97
5.6.90.0070.09020.99
5.6.80.0070.08320.25
5.6.70.0230.07320.34
5.5.350.0300.08020.37
5.5.340.0030.05017.91
5.5.330.0100.06020.36
5.5.320.0070.07720.48
5.5.310.0330.07720.50
5.5.300.0070.08318.00
5.5.290.0030.08317.97
5.5.280.0070.07020.89
5.5.270.0070.04720.86
5.5.260.0000.04320.87
5.5.250.0070.08720.67
5.5.240.0070.03720.25
5.4.450.0030.05019.33
5.4.440.0030.08019.13
5.4.430.0030.08019.32
5.4.420.0070.07719.50
5.4.410.0070.08019.12
5.4.400.0030.03718.79
5.4.390.0070.07719.20
5.4.380.0030.04319.18
5.4.370.0000.08019.18
5.4.360.0070.08018.82
5.4.350.0100.07019.00
5.4.340.0030.04718.92
5.4.320.0170.03718.88
5.4.310.0130.07019.08
5.4.300.0100.04719.17
5.4.290.0070.03719.15
5.4.280.0030.05319.11
5.4.270.0000.04019.14
5.4.260.0030.04018.82
5.4.250.0030.08018.78
5.4.240.0030.07719.11
5.4.230.0030.05318.80
5.4.220.0030.04019.07
5.4.210.0000.04319.07
5.4.200.0070.04319.07
5.4.190.0030.06018.90
5.4.180.0070.07719.15
5.4.170.0170.04019.10
5.4.160.0000.05319.15
5.4.150.0030.08018.87
5.4.140.0070.04716.44
5.4.130.0030.07716.33
5.4.120.0070.06716.33
5.4.110.0030.04316.40
5.4.100.0030.08016.30
5.4.90.0070.07016.61
5.4.80.0100.08016.39
5.4.70.0000.05716.33
5.4.60.0000.06016.28
5.4.50.0000.07316.39
5.4.40.0170.06016.36
5.4.30.0100.04316.21
5.4.20.0100.06316.29
5.4.10.0100.04016.24
5.4.00.0100.07015.96
5.3.290.0000.07014.60
5.3.280.0070.04714.38
5.3.270.0070.07314.53
5.3.260.0100.07014.54
5.3.250.0170.06714.57
5.3.240.0100.07014.53
5.3.230.0030.05714.53
5.3.220.0030.08014.54
5.3.210.0030.08314.65
5.3.200.0030.06314.65
5.3.190.0030.06014.49
5.3.180.0100.04014.51
5.3.170.0070.08014.50
5.3.160.0070.05714.49
5.3.150.0000.05014.50
5.3.140.0070.06714.64
5.3.130.0070.04714.48
5.3.120.0130.06314.45
5.3.110.0030.07314.49
5.3.100.0100.04013.96
5.3.90.0000.04013.90
5.3.80.0100.07013.99
5.3.70.0100.06313.96
5.3.60.0030.05713.82
5.3.50.0030.05713.89
5.3.40.0070.04714.04
5.3.30.0030.03314.00
5.3.20.0100.03013.63
5.3.10.0030.03313.49
5.3.00.0030.03313.73
5.2.170.0030.03011.09
5.2.160.0030.03011.13
5.2.150.0000.03011.13
5.2.140.0070.02311.04
5.2.130.0030.02711.09
5.2.120.0030.02711.05
5.2.110.0030.03010.92
5.2.100.0000.03011.08
5.2.90.0000.03011.09
5.2.80.0100.02011.02
5.2.70.0000.03011.26
5.2.60.0000.03010.97
5.2.50.0030.03310.90
5.2.40.0000.03010.88
5.2.30.0000.03010.86
5.2.20.0030.02710.96
5.2.10.0030.02710.86
5.2.00.0000.03010.56
5.1.60.0000.0279.96
5.1.50.0000.0309.96
5.1.40.0100.02010.03
5.1.30.0100.01710.25
5.1.20.0030.02710.39
5.1.10.0000.02710.12
5.1.00.0030.0239.96
5.0.50.0030.0178.38
5.0.40.0000.0208.39
5.0.30.0000.0308.36
5.0.20.0000.0208.24
5.0.10.0000.0238.07
5.0.00.0000.0338.21
4.4.90.0000.0177.74
4.4.80.0030.0137.74
4.4.70.0030.0137.74
4.4.60.0030.0107.74
4.4.50.0000.0137.74
4.4.40.0030.0437.74
4.4.30.0030.0137.74
4.4.20.0030.0137.74
4.4.10.0000.0137.74
4.4.00.0000.0237.74
4.3.110.0000.0177.74
4.3.100.0000.0137.74
4.3.90.0000.0137.74
4.3.80.0000.0237.74
4.3.70.0030.0107.74
4.3.60.0000.0137.74
4.3.50.0000.0177.74
4.3.40.0000.0237.74
4.3.30.0000.0207.74
4.3.20.0000.0177.74
4.3.10.0000.0177.74
4.3.00.0000.0137.74

preferences:
54.53 ms | 400 KiB | 5 Q