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Remove first 4 characters of a string with PHP
How can I remove the first 4 characters of a string using PHP?
7 Answers
7
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How to trim white spaces of array values in php
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array_walk() can be used with trim() to trim array
<?php
function trim_value(&$value)
{
$value = trim($value);
}
$fruit = array('apple','banana ', ' cranberry ');
var_dump($fruit);
array_walk($fruit, 'trim_value');
var_dump($fruit);
?>
See 2nd example at http...
JSON encode MySQL results
... $rows[] = $r;
}
print json_encode($rows);
The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here
NOTE: mysql is deprecated as of PHP 5.5.0, use mysqli extension instead http://php.net/manual/en/migration55.deprecated.php.
...
How do you remove an array element in a foreach loop?
... use($found_tag){
return $e != $found_tag['name'];
});
As the php documentation reads:
As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior.
In PHP 7, foreach does not use the internal array pointer.
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13 种激励程序员的方法 - 创意 - 清泛网 - 专注C/C++及内核技术
...性工作时间
很多程序员喜欢挑灯夜战来解决他们遇到的问题。但第二天他们晚到的话就会被骂，他们更喜欢把傍晚的时候花费在那些与工作无关但自己喜欢的项目上。因此，公司应该执行相应的办公室政策，越灵活的政策，才...
RAW POST using cURL in PHP
How can I do a RAW POST in PHP using cURL?
2 Answers
2
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
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The curl is happening in Amazon web services php library. I didn't understand how to fix it without editing the library code.
– Josnidhin
Jun 19 '11 at 15:51
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What is an abstract class in PHP?
What is an abstract class in PHP?
7 Answers
7
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PHP Fatal error: Using $this when not in object context
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In my index.php I'm loading maybe
foobarfunc() like this:
foobar::foobarfunc(); // Wrong, it is not static method
but can also be
$foobar = new foobar; // correct
$foobar->foobarfunc();
You can not invoke method this w...
Sanitizing strings to make them URL and filename safe?
...t's not clear whether this is the locale of the server or client. From the PHP docs:
A "word" character is any letter or digit or the underscore character, that is, any character which can be part of a Perl "word". The definition of letters and digits is controlled by PCRE's character tabl...