PHP Web Programming

$Number functions <ul><li>$ceilinged = ceil($number); </li></ul><ul><ul><ul><li>Rounds a fractional number up to next integ...$

$uksort <?php function cmp($a, $b) { $a = ereg_replace('^(a|an|the) ', '', $a); $b = ereg_replace('^(a|an|the) ', '...$

$array_intersect_ukey <?php function key_compare_func($key1, $key2) { if ($key1 == $key2) return 0; else if...$

$array_diff_ukey <?php function key_compare_func($key1, $key2) { if ($key1 == $key2) return 0; else if ($ke...$

$mysql_affected_row <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could ...$

$mysql_affected_rows <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could...$

$mysql_close <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could not connect...$

$mysql_create_db <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could not...$

$mysql_db_query <?php if (!$link = mysql_connect('mysql_host', 'mysql_user', 'mysql_password')) { echo 'Could not conne...$

$mysql_fetch_fields $i = 0; while ($i < mysql_num_fields($result)) { echo "Information for column $i:<br />\n&quot...$

$mysql_fetch_row <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { ...$

$mysql_field_flags <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { ...$

$mysql_field_len <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { ...$

$mysql_field_table <?php $result = mysql_query("SELECT name,comment FROM people,comments"); if (!$result) { e...$

$mysql_free_result <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { ...$

$mysql_host_info <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could not...$

$mysql_insert_id <?php $link = mysql_connect('localhost', 'mysql_user', 'mysql_password'); if (!$link) { die('Could not...$

$mysql_num_fields <?php $result = mysql_query("SELECT id,email FROM people WHERE id = '42'"); if (!$result) { ...$

$class_exists <?php // Check the class exists before trying to use it if (class_exists('MyClass')) { $myclass = new MyC...$

$get_class <?php class foo { function foo() { // implements some logic } function name() { ...$

$get_object_vars <?php class Point2D { var $x, $y; var $label; function Point2D($x, $y) { $this->x ...$

$get_parent_class [email_address] <?php class dad { function dad() { // implements some logic } } class chi...$

$interface_exists <?php // Check the interface exists before trying to use it if (interface_exists('MyInterface')) { cl...$

$is_subclass_of <?php // define a class class WidgetFactory { var $oink = 'moo'; } // define a child class class WidgetF...$

$is_sub_class_of // usable only since PHP 5.0.3 if (is_subclass_of('WidgetFactory_Child', 'WidgetFactory')) { echo &quot...$

$property_exists <?php class myClass { public $mine; private $xpto; static function test() { var_dump(p...$

$Metacharacters <ul><li>Some characters do not match themselves and are called metacharacters. </li></ul><ul><li>.^*+?{[]}...$

$Metacharacters <ul><li>\ is used to strip the special meaning of metacharacters. </li></ul><ul><ul><li>For example [asd...$

$Metacharacters <ul><li>\S matches any non white space characters [^ \t\n\r\f\v] </li></ul><ul><li>\w matches any alphanu...$