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is_file or file_exists in PHP

...xists in directory or false if file not exists as I check in 2020 might be php version update it – heySushil Mar 29 at 16:43 add a comment  |  ...
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Why does PHP 5.2+ disallow abstract static class methods?

...2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: 8 Answers ...
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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted

...h to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta. ...
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How do I deep copy a DateTime object?

...or now assume DateTime is returned from some opaque API that I can't just call over again. For example, I have a function that handles orders that returns a DateTime which is when the customer can next place an order. Calling the function to create a copy produces side effects I don't want. ...
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

... Since PHP/5.4.0, there is an option called JSON_UNESCAPED_UNICODE. Check it out: https://php.net/function.json-encode Therefore you should try: json_encode( $text, JSON_UNESCAPED_UNICODE ); ...
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Export to CSV via PHP

...t I have from the database to a CSV file (and text file [if possible]) via PHP? 7 Answers ...
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Adding minutes to date time in PHP

...ck with adding X minutes to a datetime, after doing lots of google'ing and PHP manual reading, I don't seem to be getting anywhere. ...
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Best way to create an empty object in JSON with PHP?

To create an empty JSON object I do usually use: 7 Answers 7 ...
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Migration: Cannot add foreign key constraint

...signed(); $table->string('priority_name'); $table->smallInteger('rank'); $table->text('class'); $table->timestamps('timecreated'); }); Schema::table('priorities', function($table) { $table->foreign('user_id')->references('id')->on('...
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PHP PDO returning single row

... Do you really need to LIMIT 1 all the time though? Knowing that you're selecting a UNIQUE value comes to mind. – Super Cat Feb 1 '17 at 3:10 ...