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PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
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How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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How to combine two strings together in PHP?
...atenate two strings together.
Use the concatenation operator . (and .=)
In PHP . is the concatenation operator which returns the concatenation of its right and left arguments
$data1 = "the color is";
$data2 = "red";
$result = $data1 . ' ' . $data2;
If you want to append a string to another string ...
App Inventor 2 试验组件 · App Inventor 2 中文网
...t 的输出）。
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How to get time difference in minutes in PHP
How to calculate minute difference between two date-times in PHP?
16 Answers
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How to fix error with xml2-config not found when installing PHP from sources?
When I try to install php 5.3 stable from source on Ubuntu (downloading compressed installation file from http://www.php.net/downloads.php ) and I run ./configure I get this error:
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Get a list of URLs from a site [closed]
... But there is a limit of 5000 links!..:( I'm looking for any free php sitemap generator script.
– Jenson M John
Aug 3 '13 at 10:25
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Add … if string is too long PHP [duplicate]
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The PHP way of doing this is simple:
$out = strlen($in) > 50 ? substr($in,0,50)."..." : $in;
But you can achieve a much nicer effect with this CSS:
.ellipsis {
overflow: hidden;
white-space: nowrap;
text-overfl...
Java: function for arrays like PHP's join()?
I want to join a String[] with a glue string. Is there a function for this?
22 Answers
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Replace input type=file by an image
...ame type of data as the input file ones do? I do not want to retest all my PHP done in the submit page. Cheers.
– Nicolas
May 18 '10 at 8:43
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