(edit: działa.)

Stawiam breakpoint w kontrolerze, włączam nasłuchiwanie connections (zieloną słuchawkę), pdpalam skrypt .php Guzzle w konsoli ale nie zatrzymuje się na breakpoincie.

php.ini który czyta konsola ma tak:

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[xdebug]
zend_extension ="c:/wamp64/bin/php/php7.1.5/zend_ext/php_xdebug-2.5.3-7.1-vc14-x86_64.dll"
 
xdebug.idekey=PHPSTORM
xdebug.remote_enable=1
xdebug.remote_port=9000
;xdebug.profiler_enable=1
xdebug.profiler_enable_trigger = Off
xdebug.profiler_output_name = cachegrind.out.%t.%p
xdebug.profiler_output_dir ="c:/wamp64/tmp"
xdebug.show_local_vars=0
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-------------------------------------
edit: zrobiłem podobnie jak tu https://confluence.jetbrains.com/display/Ph...s+with+PhpStorm i działa

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<?php
require __DIR__ . '/vendor/autoload.php';
$client = new \GuzzleHttp\Client([
    'base_url' => 'http://localhost',
    'defaults' => [
        'exceptions' => false
    ]
]);
 
$debuggingQuerystring = '';
if (isset($_GET['XDEBUG_SESSION_START'])) { // xdebug
    $debuggingQuerystring = 'XDEBUG_SESSION_START=' . $_GET['XDEBUG_SESSION_START'];
}
if (isset($_COOKIE['XDEBUG_SESSION'])) { // xdebug (cookie)
    $debuggingQuerystring = 'XDEBUG_SESSION_START=PHPSTORM';
}
if (isset($_GET['start_debug'])) { // zend debugger
    $debuggingQuerystring = 'start_debug=' . $_GET['start_debug'];
}
if (empty($debuggingQuerystring)) {
    $debuggingQuerystring = 'XDEBUG_SESSION_START=PHPSTORM';
}
 
 
 
$data = array(
...
);
 
 
$response = $client->post('/foo/web/app_dev.php/api/programmers' .'?'. $debuggingQuerystring, [
    'body' => json_encode($data)
]);
 
echo $response;
 
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