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php get variable by string name

Yoshkinawa answered on January 4, 2021 Popularity 8/10 Helpfulness 4/10

answer php get variable by string name

related php get variable name as a string

php get variable by string name

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${$variableName} or $$variableName;

//example:

$variableName = 'foo';
$foo = 'bar';

// The following are all equivalent, and all output "bar":
echo $foo;
echo ${$variableName};
echo $$variableName;

Popularity 8/10 Helpfulness 4/10 Language php

Source: Grepper

Tags: get php string

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Contributed on Jan 04 2021

Yoshkinawa

0 Answers Avg Quality 2/10

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php get variable name as a string

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function print_var_name(){
    // read backtrace
    $bt   = debug_backtrace();
    // read file
    $file = file($bt[0]['file']);
    // select exact print_var_name($varname) line
    $src  = $file[$bt[0]['line']-1];
    // search pattern
    $pat = '#(.*)'.__FUNCTION__.' *?\( *?(.*) *?\)(.*)#i';
    // extract $varname from match no 2
    $var  = preg_replace($pat, '$2', $src);
    // print to browser
    echo trim($var);
}

Popularity 9/10 Helpfulness 2/10 Language php

Source: stackoverflow.com

Tags: get

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Contributed on May 04 2021

Kind Koala

0 Answers Avg Quality 2/10

php get variable by string name

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php get variable by string name

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php get variable name as a string

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