3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a:2:{i:0;i:5;i:1;i:4;i:2;i:7;}'; var_dump(unserialize($str)); echo '<br />'; var_dump(@unserialize($str));

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)
8.3.40.0120.00318.70
8.3.30.0140.00018.70
8.3.20.0040.00418.79
8.3.10.0040.00418.95
8.3.00.0060.00319.03
8.2.170.0140.00722.96
8.2.160.0030.01318.66
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00021.04
8.2.110.0040.00721.03
8.2.100.0120.00017.78
8.2.90.0080.00019.23
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0040.00417.90
8.2.50.0080.00017.93
8.2.40.0030.00519.23
8.2.30.0060.00317.71
8.2.20.0060.00317.60
8.2.10.0000.00717.55
8.2.00.0000.00717.68
8.1.270.0040.00423.99
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0120.00020.96
8.1.230.0030.00817.70
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0000.01017.35
8.1.190.0070.00017.22
8.1.180.0060.00318.10
8.1.170.0060.00317.62
8.1.160.0040.00419.00
8.1.150.0050.00218.58
8.1.140.0020.00517.45
8.1.130.0070.00017.45
8.1.120.0000.00717.38
8.1.110.0040.00417.38
8.1.100.0070.00017.36
8.1.90.0000.00817.52
8.1.80.0000.00717.48
8.1.70.0000.00717.45
8.1.60.0000.00717.49
8.1.50.0040.00417.50
8.1.40.0040.00417.53
8.1.30.0060.00317.58
8.1.20.0080.00017.68
8.1.10.0080.00017.37
8.1.00.0040.00417.38
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.61
8.0.270.0000.00717.25
8.0.260.0030.00316.93
8.0.250.0070.00017.04
8.0.240.0030.00317.05
8.0.230.0030.00316.88
8.0.220.0000.00716.98
8.0.210.0050.00316.94
8.0.200.0060.00016.97
8.0.190.0040.00417.02
8.0.180.0100.00017.02
8.0.170.0050.00517.02
8.0.160.0000.00717.04
8.0.150.0030.00616.88
8.0.140.0030.00516.79
8.0.130.0030.00313.33
8.0.120.0000.00916.81
8.0.110.0050.00316.91
8.0.100.0040.00417.02
8.0.90.0030.00516.86
8.0.80.0120.00316.91
8.0.70.0080.00016.85
8.0.60.0000.00816.90
8.0.50.0000.00816.89
8.0.30.0090.00916.76
8.0.20.0060.01317.34
8.0.10.0000.00717.07
8.0.00.0120.00716.99
7.4.330.0050.00013.04
7.4.320.0060.00016.50
7.4.300.0000.00616.50
7.4.290.0020.00516.59
7.4.280.0040.00416.54
7.4.270.0040.00416.50
7.4.260.0030.00313.25
7.4.250.0030.00616.44
7.4.240.0030.00516.63
7.4.230.0090.00016.61
7.4.220.0170.00016.64
7.4.210.0130.00316.54
7.4.200.0030.00316.54
7.4.190.0000.00816.64
7.4.160.0070.01016.62
7.4.150.0030.01416.60
7.4.140.0110.00717.86
7.4.130.0140.01016.34
7.4.120.0120.00616.61
7.4.110.0060.01216.54
7.4.100.0180.00316.38
7.4.90.0100.01316.59
7.4.80.0130.00319.39
7.4.70.0100.00616.66
7.4.60.0150.00016.53
7.4.50.0000.00516.38
7.4.40.0040.01116.20
7.4.30.0070.01116.52
7.4.00.0090.00614.81
7.3.330.0000.00613.01
7.3.320.0080.00013.07
7.3.310.0030.00316.07
7.3.300.0000.00716.23
7.3.290.0070.00916.23
7.3.280.0110.00316.13
7.3.270.0140.00516.43
7.3.260.0000.01816.45
7.3.240.0120.00416.21
7.3.230.0060.01616.36
7.3.210.0070.01016.50
7.3.200.0100.01316.37
7.3.190.0080.00816.29
7.3.180.0030.01616.40
7.3.170.0100.00616.38
7.3.160.0100.01016.47
7.3.120.0060.00614.70
7.2.330.0030.01316.46
7.2.320.0100.01016.50
7.2.310.0100.00616.50
7.2.300.0060.01116.50
7.2.290.0060.00916.55
7.2.00.0030.01019.34
7.1.100.0070.00717.84
7.1.70.0000.00917.13
7.1.60.0140.01019.25
7.1.50.0030.02016.58
7.1.00.0030.03322.35
7.0.200.0050.00216.86
7.0.140.0070.06722.09
7.0.120.0000.07322.01
7.0.60.0130.07019.93
7.0.50.0030.07717.87
7.0.40.0100.08017.79
7.0.30.0030.04717.72
7.0.20.0200.07017.78
7.0.10.0070.06717.79
7.0.00.0070.08317.79
5.6.280.0100.06721.11
5.6.210.0130.08020.71
5.6.200.0070.05018.22
5.6.190.0070.06018.22
5.6.180.0070.05018.09
5.6.170.0000.04718.09
5.6.160.0030.06318.09
5.6.150.0070.08318.18
5.6.140.0030.07318.07
5.6.130.0030.05318.11
5.6.120.0030.06018.13
5.6.110.0030.05318.20
5.6.100.0100.07718.14
5.6.90.0030.07718.16
5.6.80.0070.07717.50
5.6.70.0030.05317.50
5.6.60.0070.03717.59
5.6.50.0070.07017.50
5.6.40.0000.06017.57
5.6.30.0130.07317.48
5.6.20.0130.07317.53
5.6.10.0070.08317.47
5.6.00.0030.05717.49
5.5.350.0000.08020.41
5.5.340.0200.07018.02
5.5.330.0100.08018.02
5.5.320.0070.06018.02
5.5.310.0000.07718.01
5.5.300.0070.04717.98
5.5.290.0030.08317.94
5.5.280.0170.06717.95
5.5.270.0030.04017.95
5.5.260.0070.07717.92
5.5.250.0130.06317.83
5.5.240.0030.05017.34
5.5.230.0070.04017.33
5.5.220.0130.03017.35
5.5.210.0030.04717.27
5.5.200.0070.07717.24
5.5.190.0070.05017.24
5.5.180.0070.08717.32
5.5.160.0000.07717.27
5.5.150.0130.06717.35
5.5.140.0100.05017.33
5.5.130.0070.07317.36
5.5.120.0070.05717.36
5.5.110.0030.05317.25
5.5.100.0030.04017.28
5.5.90.0000.04317.26
5.5.80.0130.05017.18
5.5.70.0030.05717.20
5.5.60.0030.04017.16
5.5.50.0100.07717.22
5.5.40.0100.03317.16
5.5.30.0070.07017.15
5.5.20.0030.08317.11
5.5.10.0030.06317.15
5.5.00.0030.08017.16
5.4.450.0030.07319.40
5.4.440.0070.06019.31
5.4.430.0000.04319.27
5.4.420.0100.08019.33
5.4.410.0030.05319.15
5.4.400.0130.07019.21
5.4.390.0130.07018.98
5.4.380.0170.02719.02
5.4.370.0070.05318.82
5.4.360.0000.08019.03
5.4.350.0070.05719.09
5.4.340.0130.06019.03
5.4.320.0170.06319.12
5.4.310.0030.08318.98
5.4.300.0030.07319.12
5.4.290.0070.06319.12
5.4.280.0170.06718.95
5.4.270.0030.04019.09
5.4.260.0100.07018.90
5.4.250.0100.03319.20
5.4.240.0070.03318.88
5.4.230.0070.07318.97
5.4.220.0070.07019.11
5.4.210.0030.08018.88
5.4.200.0070.04718.88
5.4.190.0070.08019.11
5.4.180.0070.07718.95
5.4.170.0070.03719.08
5.4.160.0100.05018.96
5.4.150.0170.06718.95
5.4.140.0100.03316.30
5.4.130.0100.04016.47
5.4.120.0100.07016.17
5.4.110.0030.07016.36
5.4.100.0030.06316.17
5.4.90.0100.07016.20
5.4.80.0000.07716.26
5.4.70.0100.06716.25
5.4.60.0030.06016.32
5.4.50.0070.05316.38
5.4.40.0070.03716.34
5.4.30.0030.07716.27
5.4.20.0030.07316.24
5.4.10.0100.07016.25
5.4.00.0030.07315.70
5.3.290.0070.06014.49
5.3.280.0100.05714.39
5.3.270.0000.04714.59
5.3.260.0030.04014.53
5.3.250.0100.07014.55
5.3.240.0070.04014.57
5.3.230.0070.08014.38
5.3.220.0070.06314.52
5.3.210.0170.07014.65
5.3.200.0170.05714.54
5.3.190.0030.08014.40
5.3.180.0030.06014.64
5.3.170.0030.06314.52
5.3.160.0070.03714.54
5.3.150.0030.04014.53
5.3.140.0170.04314.32
5.3.130.0070.06714.37
5.3.120.0070.07314.54
5.3.110.0070.08014.38
5.3.100.0030.04714.00
5.3.90.0030.07313.95
5.3.80.0030.04013.97
5.3.70.0000.08313.97
5.3.60.0130.06713.98
5.3.50.0130.06713.71
5.3.40.0030.06313.89
5.3.30.0030.05313.91
5.3.20.0070.07713.47
5.3.10.0030.06713.64
5.3.00.0070.03713.40
5.2.170.0070.02711.14
5.2.160.0130.05710.93
5.2.150.0070.06011.14
5.2.140.0030.05710.96
5.2.130.0070.06311.04
5.2.120.0000.03311.14
5.2.110.0000.05311.08
5.2.100.0000.07011.09
5.2.90.0130.05711.07
5.2.80.0030.06711.05
5.2.70.0000.05311.02
5.2.60.0070.05311.03
5.2.50.0030.06011.00
5.2.40.0070.04010.98
5.2.30.0070.04011.00
5.2.20.0070.03310.96
5.2.10.0070.06010.90
5.2.00.0030.06310.70
5.1.60.0030.0379.96
5.1.50.0030.05310.11
5.1.40.0070.05310.06
5.1.30.0100.05310.34
5.1.20.0000.05710.34
5.1.10.0070.05310.05
5.1.00.0070.0579.98
5.0.50.0100.0438.50
5.0.40.0030.0378.32
5.0.30.0000.0508.29
5.0.20.0000.0378.25
5.0.10.0030.0408.20
5.0.00.0030.0678.22
4.4.90.0030.0337.50
4.4.80.0070.0337.50
4.4.70.0000.0237.50
4.4.60.0030.0337.50
4.4.50.0070.0277.50
4.4.40.0070.0537.50
4.4.30.0000.0337.50
4.4.20.0070.0307.50
4.4.10.0030.0377.50
4.4.00.0030.0537.50
4.3.110.0000.0377.50
4.3.100.0030.0277.50
4.3.90.0000.0307.50
4.3.80.0070.0477.50
4.3.70.0030.0277.50
4.3.60.0000.0237.50
4.3.50.0030.0177.50
4.3.40.0000.0307.50
4.3.30.0000.0177.50
4.3.20.0030.0337.50
4.3.10.0000.0207.50
4.3.00.0030.0137.50

preferences:
39.78 ms | 400 KiB | 5 Q