PHP Error unexpected ‘[‘

RedHat Linux 6.9

WordPress v4.9.6

PHP Version 5.3.3
Configure Command ‘./configure’ ‘–build=x86_64-redhat-linux-gnu’ ‘–host=x86_64-redhat-linux-gnu’ ‘–target=x86_64-redhat-linux-gnu’ ‘–program-prefix=’ ‘–prefix=/usr’ ‘–exec-prefix=/usr’ ‘–bindir=/usr/bin’ ‘–sbindir=/usr/sbin’ ‘–sysconfdir=/etc’ ‘–datadir=/usr/share’ ‘–includedir=/usr/include’ ‘–libdir=/usr/lib64’ ‘–libexecdir=/usr/libexec’ ‘–localstatedir=/var’ ‘–sharedstatedir=/var/lib’ ‘–mandir=/usr/share/man’ ‘–infodir=/usr/share/info’ ‘–cache-file=../config.cache’ ‘–with-libdir=lib64’ ‘–with-config-file-path=/etc’ ‘–with-config-file-scan-dir=/etc/php.d’ ‘–disable-debug’ ‘–with-pic’ ‘–disable-rpath’ ‘–without-pear’ ‘–with-bz2’ ‘–with-exec-dir=/usr/bin’ ‘–with-freetype-dir=/usr’ ‘–with-png-dir=/usr’ ‘–with-xpm-dir=/usr’ ‘–enable-gd-native-ttf’ ‘–without-gdbm’ ‘–with-gettext’ ‘–with-gmp’ ‘–with-iconv’ ‘–with-jpeg-dir=/usr’ ‘–with-openssl’ ‘–with-pcre-regex=/usr’ ‘–with-zlib’ ‘–with-layout=GNU’ ‘–enable-exif’ ‘–enable-ftp’ ‘–enable-magic-quotes’ ‘–enable-sockets’ ‘–enable-sysvsem’ ‘–enable-sysvshm’ ‘–enable-sysvmsg’ ‘–with-kerberos’ ‘–enable-ucd-snmp-hack’ ‘–enable-shmop’ ‘–enable-calendar’ ‘–without-sqlite’ ‘–with-libxml-dir=/usr’ ‘–enable-xml’ ‘–with-system-tzdata’ ‘–with-apxs2=/usr/sbin/apxs’ ‘–without-mysql’ ‘–without-gd’ ‘–disable-dom’ ‘–disable-dba’ ‘–without-unixODBC’ ‘–disable-pdo’ ‘–disable-xmlreader’ ‘–disable-xmlwriter’ ‘–without-sqlite3’ ‘–disable-phar’ ‘–disable-fileinfo’ ‘–disable-json’ ‘–without-pspell’ ‘–disable-wddx’ ‘–without-curl’ ‘–disable-posix’ ‘–disable-sysvmsg’ ‘–disable-sysvshm’ ‘–disable-sysvsem’

Apache/2.2.15
Loaded Modules core prefork http_core mod_so mod_auth_basic mod_auth_digest mod_authn_file mod_authn_alias mod_authn_anon mod_authn_dbm mod_authn_default mod_authz_host mod_authz_user mod_authz_owner mod_authz_groupfile mod_authz_dbm mod_authz_default util_ldap mod_authnz_ldap mod_include mod_log_config mod_logio mod_env mod_ext_filter mod_mime_magic mod_expires mod_deflate mod_headers mod_usertrack mod_setenvif mod_mime mod_dav mod_status mod_autoindex mod_info mod_dav_fs mod_vhost_alias mod_negotiation mod_dir mod_actions mod_speling mod_userdir mod_alias mod_substitute mod_rewrite mod_proxy mod_proxy_balancer mod_proxy_ftp mod_proxy_http mod_proxy_ajp mod_proxy_connect mod_cache mod_suexec mod_disk_cache mod_cgi mod_version mod_php5 mod_ssl

Yep! the update fixed it.

And yeah, we already have a plan to upgrade soon the server OS and along with that move to PHP 7.

Thanks for the quick reply!