oik_diy_validate_code() – Validate the DIY shortcode

Description

Validate the DIY shortcode

Code must not be blank

Usage

$bool = oik_diy_validate_code( $code );

Parameters

$code

( string ) required – the requested DIY shortcode

Returns

bool true if valid

Source

File name: diy-oik/admin/diy-oik.php
Lines:

function oik_diy_validate_code( $code ) {
  $valid = isset( $code );
  if ( $valid ) { 
    $code = trim( $code );
    $valid = strlen( $code ) > 0;
    
  } 
  if ( !$valid ) { 
    p( "Shortcode must not be blank" );   
  } else {
    $valid = preg_match( "/[a-z|0-9|-|_]/i", $code, $matches );
    bw_trace2( $valid, "valid?", true, BW_TRACE_ERROR );
    $invalid = preg_match( '@[<>&/\[\]\x00-\x20]@', $code, $matches );
    if ( $invalid !== 0 ) {
      //p( "Shortcode must not use spaces or reserved characters" );
      p( sprintf( 'Invalid shortcode name: %s  Do not use spaces or reserved chars: & / < > [ ]', $code ) );
      $valid = false;
    }
    
      
  }
  return $valid;
}