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<?php class File { // "Resource(stream)" isn't all that useful private $fp; // But all the stream meta data is public function __debugInfo() { return $this->fp ? stream_get_meta_data($fp) : []; } public function open($filename, $mode = 'r'){ $this->fp = fopen($filename, $mode); } } $f = new File; var_dump($f); // object(File)#1 { } $f->open('php://input'); var_dump($f);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(File)#1 (0) { } Warning: Undefined variable $fp in /in/cmRhH on line 9 Warning: Uncaught TypeError: stream_get_meta_data(): Argument #1 ($stream) must be of type resource, null given in /in/cmRhH:9 Stack trace: #0 /in/cmRhH(9): stream_get_meta_data(NULL) #1 [internal function]: File->__debugInfo() #2 /in/cmRhH(20): var_dump(Object(File)) #3 {main} thrown in /in/cmRhH on line 9 Fatal error: __debuginfo() must return an array in /in/cmRhH on line 20
Process exited with code 255.
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 object(File)#1 (0) { } Warning: Undefined variable $fp in /in/cmRhH on line 9 Warning: Uncaught TypeError: stream_get_meta_data(): Argument #1 ($stream) must be of type resource, null given in /in/cmRhH:9 Stack trace: #0 /in/cmRhH(9): stream_get_meta_data(NULL) #1 [internal function]: File->__debugInfo() #2 /in/cmRhH(20): var_dump(Object(File)) #3 {main} thrown in /in/cmRhH on line 9 Fatal error: __debuginfo() must return an array in /in/cmRhH on line 20
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
object(File)#1 (0) { } Notice: Undefined variable: fp in /in/cmRhH on line 9 Warning: stream_get_meta_data() expects parameter 1 to be resource, null given in /in/cmRhH on line 9 object(File)#1 (0) { }
Output for 7.3.32 - 7.3.33
object(File)#1 (0) { } Warning: stream_get_meta_data() expects parameter 1 to be resource, null given in /in/cmRhH on line 9 object(File)#1 (0) { }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
object(File)#1 (1) { ["fp":"File":private]=> NULL } object(File)#1 (1) { ["fp":"File":private]=> resource(5) of type (stream) }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/cmRhH on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/cmRhH on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/cmRhH on line 5
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 T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/cmRhH on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/cmRhH on line 5
Process exited with code 255.
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