[Solved] Notice: Undefined offset: 1 in

Question

$y[1] isn’t set.

You need to check there’s a value before running it through explode.

$y = explode( $b, $a );

if ( isset( $y[1] ) ) {
    $x = explode( $c, $y[1] );
    return ( isset( $x[0] ) ) ? $x[0] : '';
} else {
    return '';
}

Accepted Answer

$y[1] isn’t set.

You need to check there’s a value before running it through explode.

$y = explode( $b, $a );

if ( isset( $y[1] ) ) {
    $x = explode( $c, $y[1] );
    return ( isset( $x[0] ) ) ? $x[0] : '';
} else {
    return '';
}