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"_parseFeaturesHeaderFile()" error and solution for PECL installation extension in Docker environment
Home Backend Development PHP Tutorial How to resolve the 'Call to undefined function _parseFeaturesHeaderFile()' error when installing extensions through PECL in Docker environment?

How to resolve the 'Call to undefined function _parseFeaturesHeaderFile()' error when installing extensions through PECL in Docker environment?

Apr 01, 2025 am 09:48 AM
docker php7 Solution

How to resolve the

"_parseFeaturesHeaderFile()" error and solution for PECL installation extension in Docker environment

When installing PHP extensions using PECL in Docker, you may encounter Call to undefined function _parseFeaturesHeaderFile() error. This article analyzes the cause of the error and provides a solution.

error message:

 <code>fatal error: uncaught error: call to undefined function _parsefeaturesheaderfile() in /usr/local/lib/php/os/guess.php:248</code>

Problem analysis: This error usually originates from the PHP version related development packages that do not match the PHP version. The error message points to /usr/local/lib/php/os/guess.php , indicating that the problem is related to the configuration of the PHP environment.

Dockerfile example (problem code):

 FROM php:7.3-fpm-alpine

# ...Other configurations...

RUN apk add --no-cache --virtual .build-deps autoconf automake make g gcc libtool dpkg-dev dpkg unzip \
    curl pkgconf file re2c pcre-dev php7-pear php7-dev openssl-dev graphviz \
    # ...Other configurations...

The root cause of the problem: php7-pear and php7-dev are used in the Dockerfile, but the basic image is php:7.3-fpm-alpine , which causes PEAR and PHP development package versions to be incompatible with PHP 7.3.

Solution: Replace php7-pear and php7-dev with package names php7.3-pear and php7.3-dev that match the PHP version 7.3.

Modified Dockerfile snippet:

 RUN apk add --no-cache --virtual .build-deps autoconf automake make g gcc libtool dpkg-dev dpkg unzip \
    curl pkgconf file re2c pcre-dev php7.3-pear php7.3-dev openssl-dev graphviz \
    # ...Other configurations...

Through this modification, we ensure that all PHP-related development packages are compatible with PHP version 7.3, thus resolving the error of _parseFeaturesHeaderFile() function. After modification, rebuild the Docker image and try to install the extension. If the problem persists, check for other possible conflicts or dependency issues.

The above is the detailed content of How to resolve the 'Call to undefined function _parseFeaturesHeaderFile()' error when installing extensions through PECL in Docker environment?. For more information, please follow other related articles on the PHP Chinese website!

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