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<?php $psr4 = array( 'my\\first\\ns\\prefix\\' => 0, 'my\\second\\ns\\prefix\\' => 0, 'my\\third\\ns\prefix' => 0, ); foreach ($psr4 as $prefix => &$v) { $v = strlen($prefix); } $classes = array( 'my\\third\\ns\\prefix\\subns\\class', 'another\\ns\\prefix\\subns\\class', ); foreach ($classes as $class) { foreach ($psr4 as $prefix => $length) { if (0 === strpos($class, $prefix)) { echo "$class -> $prefix\n"; break; } } } echo "-----------------------------\”"; foreach ($classes as $class) { foreach ($psr4 as $prefix => $length) { if (strncmp($class, $prefix, $length)) { echo "$class -> $prefix\n"; break; } } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.26, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
my\third\ns\prefix\subns\class -> my\third\ns\prefix -----------------------------\”my\third\ns\prefix\subns\class -> my\first\ns\prefix\ another\ns\prefix\subns\class -> my\first\ns\prefix\
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 my\third\ns\prefix\subns\class -> my\third\ns\prefix -----------------------------\”my\third\ns\prefix\subns\class -> my\first\ns\prefix\ another\ns\prefix\subns\class -> my\first\ns\prefix\
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/lCK3I on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/lCK3I on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/lCK3I on line 8
Process exited with code 255.

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