3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = <<<EDO ��U[o�0}�WXB���aJk�jB���i��1U��^��9)����KDV�'G������6���)�� �.�#��f��2",��'. ���]��mBS��,#k(�I�0�F�;�W��Q�� ��C*8p�-�;)��'<N@�!|R�_�LJ��%����EQ�]�w�c!�&���2��x^A �M��&�/��'�$�����5�>��m^�/ BTKR��X���G�K�ɣ�á��l-�^�����g�~��<�$|�~U����h�AȈ�1�{��Z��f7n�딸�8+�u�:���mY�zgS��w�HN��95f���J��cc�� ������>I�1�g*߇����nM�s2�T��&0�O;��ٶ�\p%E�c�L����<�]G����+�h�gV�f��#���̃[ty��M$���`z�VB����t��"�p����W�[=d�K1\��n�q��Ӥ��gi�0J��-�ո ���T�)| 7x�>����dR"C7Vq� �r ۔�l.��2i���6��<6�2�g�c���A=���z��i��[l�P� F � EOD; var_dump([ iconv('UTF-8', 'ISO-8859-1', $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)
5.5.120.0070.07717.29
5.5.110.0130.07317.30
5.5.100.0030.08317.21
5.5.90.0030.06717.20
5.5.80.0070.04317.22
5.5.70.0070.07717.17
5.5.60.0070.05717.16
5.5.50.0130.06017.23
5.5.40.0100.07317.19
5.5.30.0000.07317.19
5.5.20.0130.07317.21
5.5.10.0030.08017.21
5.5.00.0100.07317.21
5.4.280.0030.08318.98
5.4.270.0070.06318.89
5.4.260.0070.07719.12
5.4.250.0100.07018.90
5.4.240.0100.07018.98
5.4.230.0030.04319.20
5.4.220.0000.04718.82
5.4.210.0030.08019.00
5.4.200.0070.04319.12
5.4.190.0100.04319.20
5.4.180.0100.06019.09
5.4.170.0130.07019.11
5.4.160.0130.07318.99
5.4.150.0000.05318.88
5.4.140.0070.04016.35
5.4.130.0070.06716.34
5.4.120.0070.07716.38
5.4.110.0100.07016.43
5.4.100.0130.06716.27
5.4.90.0030.07716.39
5.4.80.0030.07316.24
5.4.70.0070.03316.23
5.4.60.0000.03716.23
5.4.50.0030.03716.36
5.4.40.0030.03316.32
5.4.30.0070.03316.33
5.4.20.0030.03316.27
5.4.10.0100.03716.17
5.4.00.0070.03315.80
5.3.280.0070.05714.57
5.3.270.0070.07714.59
5.3.260.0030.06014.43
5.3.250.0100.07314.56
5.3.240.0170.06014.69
5.3.230.0030.08314.46
5.3.220.0070.04714.54
5.3.210.0030.04014.51
5.3.200.0000.05014.52
5.3.190.0130.06714.43
5.3.180.0100.03714.52
5.3.170.0030.05314.54
5.3.160.0100.03014.35
5.3.150.0030.03714.52
5.3.140.0000.04314.39
5.3.130.0030.03714.51
5.3.120.0100.03014.52
5.3.110.0030.04314.41
5.3.100.0070.03313.98
5.3.90.0000.03714.01
5.3.80.0000.04013.87
5.3.70.0100.03013.78
5.3.60.0070.03013.98
5.3.50.0030.04313.86
5.3.40.0000.04013.91
5.3.30.0000.03713.89
5.3.20.0030.03313.47
5.3.10.0030.03313.61
5.3.00.0030.03313.60

preferences:
131.4 ms | 1394 KiB | 7 Q