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Category Archives: PHP
Sort a multidimensional array by one of its fields
<?php $products = array( array( name=>"A", price=>4.5 ), array( name=>"C", price=>5.5 ), array( name=>"D", price=>2.5 ), … Continue reading
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New in PHP 5.4.0
Shortened array syntax <?php $myArray = []; // instead of array(); ?>
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Check if a variable is a specific class
is_a — Checks if the object is of this class or has this class as one of its parents bool is_a ( object $object , string $class_name [, bool $allow_string = FALSE ] ) Example <?PHP class exampleClass{ … Continue reading
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string to time
strtotime — Parse about any English textual datetime description into a Unix timestamp int strtotime ( string $time [, int $now = time() ] ) Examples <?php echo strtotime("now"); echo strtotime("10 September 2000"); echo strtotime("+1 day"); echo strtotime("+1 week"); echo … Continue reading
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parse XML in browser
Let the browser parse XML: header ("content-type: text/xml");
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extract filename or file extension from path
<?php $path_parts = pathinfo(‘/www/htdocs/inc/lib.inc.php’); echo $path_parts[‘dirname’], "\n"; echo $path_parts[‘basename’], "\n"; echo $path_parts[‘extension’], "\n"; echo $path_parts[‘filename’], "\n"; // since PHP 5.2.0 ?>
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How to Base64 encode your images
If you want to create a thumbnail through ajax with jquery and json. you can let php return an base64 encoded image. $img_src = "img/sample.jpg"; $imgbinary = file_get_contents($img_src); $img_str = base64_encode($imgbinary); echo ‘<img src="data:image/jpeg;base64,’.$img_str.‘" alt="Alt text" />’;
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