<?php
if(in_array(“val”,$array))
echo “Exists” ;
?>
if(in_array(“val”,$array))
echo “Exists” ;
?>
Category Archives: PHP
Validate a number – PHP
if(!is_numeric($number))
echo “Not a number”;
echo “Not a number”;
Validate a phone number – PHP
if( !preg_match(“/^([1]-)?[0-9]{3}-[0-9]{3}-[0-9]{4}$/i”, $phone_number) )
echo ‘Invalid Phone Number’;
echo ‘Invalid Phone Number’;
Number of lines in a text file – PHP
<?php
$fp = “test.txt”;
$number = count(file($fp));
echo ” $number lines “;
?>
Remove characters except letters and numbers from a string – PHP
<?php
$var = “!P$%H^P&”;
$var1 = ereg_replace(“[^A-Za-z0-9]”, “”, $var);
echo $var1;
?>
PHP script's memory usage
<?php
echo “Before the loop – “.memory_get_usage() . “<br >”;
for($i=0;$i<=100;$i++) { //echo $i;}
echo “n After the loop – “.memory_get_usage() . “n”;
?>
How to get data from apache solr – PHP
<?php
$output = file_get_contents(‘http://localhost:8983/solr/select?q=video&wt=php’);
eval(“$resultArray = ” . $output . “;”);
echo “<pre>”;print_r($resultArray);
?>
what is cURL in php
cURL is a library that allows PHP applications to communicate with other servers.
Example :
<?php
$url = “www.example.com”; // Desired URL
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_POST, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$returned = curl_exec($ch);
curl_close ($ch);
echo $returned;
?>
Function to get last Java exception – PHP
<?php
java_last_exception_get();
?>
Function to clear last Java exception – PHP
<?php
java_last_exception_clear();
?>
Pramod T P 