Migrating from PHP 5.6.x to PHP 7.0.x
PHP Manual

New functions

Closure

  • Closure::call

CSPRNG

  • random_bytes
  • random_int

Error Handling and Logging

  • error_clear_last

Generator

  • Generator::getReturn

GNU Multiple Precision

  • gmp_random_seed

Math

  • intdiv

PCRE

  • preg_replace_callback_array

PHP Options/Info

  • gc_mem_caches
  • get_resources

POSIX

  • posix_setrlimit

Reflection

  • ReflectionParameter::getType
  • ReflectionParameter::hasType
  • ReflectionFunctionAbstract::getReturnType
  • ReflectionFunctionAbstract::hasReturnType

Zip

  • ZipArchive::setCompressionIndex
  • ZipArchive::setCompressionName

Zlib Compression

  • inflate_add
  • deflate_add
  • inflate_init
  • deflate_init