Question

How to find the position of the first occurrence of a substring in a string in PHP

Answer 1

$string = 'XAMPP Control Panel Control';
$find   = 'Control';

$pos    = strpos($string, $find);

echo $pos;
 
 
/*
run:
 
6
 
*/

 

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Answer 2

$string = 'XAMPP Control Panel';
$find   = 'Control Power';
$pos    = strpos($string, $find);
  
if ($pos !== false)
    echo $pos;
else
    echo "string not found";


/*
run:

string not found

*/

 

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Answer 3

$string = 'XAMPP Control Panel';
$find   = 'o';

$pos    = strpos($string, $find);
   
if ($pos === false) {
    echo "string not found";
}
else {
    echo $pos;
}


 
/*
run:
 
7
 
*/

 

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Answer 4

$string = 'XAMPP Control Panel';
$find   = 'A';
$pos    = strpos($string, $find, 3); // srart search from char 3
  
if ($pos === false)
    echo "string not found";
else
    echo $pos;


/*
run:

string not found

*/

 

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Answer 5

$string = 'XAMPP Control Panel Apache + MySQL + PHP + Perl';
$find   = 'A';
$pos    = strpos($string, $find, 3); // srart search from char 3
  
if ($pos === false)
    echo "string not found";
else
    echo $pos;


/*
run:

20

*/

 

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Answer 6

$string = '1234567';
$find   = 1;  // 1 without apostrophes ''
$pos    = strpos($string, $find); 
  
if ($pos === false)
    echo "string not found";
else
    echo $pos;



/*
run:

string not found

*/

 

70+ SQL courses for beginners and professionals

Answer 7

$string = '8494029831';
$find   = '9'; 

$pos    = strpos($string, $find); 
   
if ($pos === false) {
    echo "string not found";
}
else {
    echo $pos;
}
 
 
/*
run:
 
2
 
*/

 

70+ SQL courses for beginners and professionals