Optimize LS PHP Settings for WordPress

optimize_php.sh

#!/bin/bash

# Check if PHP version is passed as an argument
if [ -z "$1" ]; then
    echo "Please pass PHP version as an argument."
    echo "Usage: ./script_name.sh php_version"
    exit 1
fi

# PHP version from the command line argument
PHP_VERSION=$1

# Path to your php.ini file
PHP_INI_PATH="/usr/local/lsws/lsphp${PHP_VERSION//.}/etc/php/${PHP_VERSION}/litespeed/php.ini"

# Get total memory in megabytes
TOTAL_MEM=$(free -m | awk '/^Mem:/{print $2}')

# Calculate memory for post_max_size and upload_max_filesize (30% of total memory)
UPLOAD_AND_POST_SIZE=$(( TOTAL_MEM * 30 / 100 ))

# Calculate memory for memory_limit (40% of total memory)
MEMORY_LIMIT=$(( TOTAL_MEM * 40 / 100 ))

# Values for max_execution_time, max_input_time and max_input_vars
MAX_EXECUTION_TIME=500
MAX_INPUT_TIME=300
MAX_INPUT_VARS=5000

# Update values in php.ini file
sed -i "s/post_max_size = .*/post_max_size = ${UPLOAD_AND_POST_SIZE}M/" $PHP_INI_PATH
sed -i "s/upload_max_filesize = .*/upload_max_filesize = ${UPLOAD_AND_POST_SIZE}M/" $PHP_INI_PATH
sed -i "s/memory_limit = .*/memory_limit = ${MEMORY_LIMIT}M/" $PHP_INI_PATH
sed -i "s/max_execution_time = .*/max_execution_time = ${MAX_EXECUTION_TIME}/" $PHP_INI_PATH
sed -i "s/max_input_time = .*/max_input_time = ${MAX_INPUT_TIME}/" $PHP_INI_PATH
sed -i "s/;max_input_vars = .*/max_input_vars = ${MAX_INPUT_VARS}/" $PHP_INI_PATH

# Restart lsws and kill all lsphp processes
systemctl restart lsws
killall -9 lsphp