3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maybe_unserialize( $original ) { if ( is_serialized( $original ) ) return @unserialize( $original ); return $original; } function is_serialized( $data, $strict = true ) { // if it isn't a string, it isn't serialized if ( ! is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; $length = strlen( $data ); if ( $length < 4 ) return false; if ( ':' !== $data[1] ) return false; if ( $strict ) { $lastc = $data[ $length - 1 ]; if ( ';' !== $lastc && '}' !== $lastc ) return false; } else { $semicolon = strpos( $data, ';' ); $brace = strpos( $data, '}' ); // Either ; or } must exist. if ( false === $semicolon && false === $brace ) return false; // But neither must be in the first X characters. if ( false !== $semicolon && $semicolon < 3 ) return false; if ( false !== $brace && $brace < 4 ) return false; } $token = $data[0]; switch ( $token ) { case 's' : if ( $strict ) { if ( '"' !== $data[ $length - 2 ] ) return false; } elseif ( false === strpos( $data, '"' ) ) { return false; } // or else fall through case 'a' : case 'O' : return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); case 'b' : case 'i' : case 'd' : $end = $strict ? '$' : ''; return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); } return false; } function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); // Double serialization is required for backward compatibility. // See http://core.trac.wordpress.org/ticket/12930 if ( is_serialized( $data, false ) ) return serialize( $data ); return $data; } $a = "s:\04:\"ryat\";"; var_dump(unserialize($a));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.01118.50
8.3.50.0080.00821.14
8.3.40.0040.01118.70
8.3.30.0110.00419.09
8.3.20.0040.00420.18
8.3.10.0050.00322.09
8.3.00.0080.00022.44
8.2.180.0100.01016.63
8.2.170.0040.01822.96
8.2.160.0150.00019.16
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00419.23
8.2.110.0070.00319.31
8.2.100.0080.00417.84
8.2.90.0000.00719.22
8.2.80.0040.00417.97
8.2.70.0030.00517.50
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0040.00417.92
8.2.30.0000.00818.03
8.2.20.0000.00717.62
8.2.10.0040.00417.63
8.2.00.0060.00317.56
8.1.280.0040.01125.92
8.1.270.0030.00622.23
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00621.35
8.1.230.0040.00717.45
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0030.00717.36
8.1.190.0040.00417.10
8.1.180.0000.00718.70
8.1.170.0060.00318.59
8.1.160.0030.00622.16
8.1.150.0050.00318.54
8.1.140.0000.00817.39
8.1.130.0080.00017.85
8.1.120.0040.00417.45
8.1.110.0040.00417.29
8.1.100.0000.00817.45
8.1.90.0040.00417.48
8.1.80.0050.00217.50
8.1.70.0070.00017.29
8.1.60.0030.00617.50
8.1.50.0050.00217.49
8.1.40.0040.00417.52
8.1.30.0040.00417.44
8.1.20.0060.00317.57
8.1.10.0040.00417.34
8.1.00.0000.00817.38
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0040.00418.30
8.0.270.0000.00717.15
8.0.260.0040.00416.85
8.0.250.0030.00316.98
8.0.240.0030.00316.82
8.0.230.0020.00516.97
8.0.220.0050.00316.90
8.0.210.0000.00816.80
8.0.200.0060.00016.99
8.0.190.0040.00416.87
8.0.180.0040.00416.91
8.0.170.0000.00916.95
8.0.160.0040.00416.89
8.0.150.0050.00216.87
8.0.140.0000.00716.86
8.0.130.0050.00013.31
8.0.120.0040.00416.89
8.0.110.0020.00516.84
8.0.100.0040.00416.85
8.0.90.0080.00016.91
8.0.80.0070.01016.79
8.0.70.0040.00416.70
8.0.60.0040.00416.78
8.0.50.0040.00416.84
8.0.30.0160.00617.00
8.0.20.0100.00817.40
8.0.10.0070.00017.14
8.0.00.0150.00916.64
7.4.330.0030.00315.07
7.4.320.0060.00016.46
7.4.300.0030.00316.54
7.4.290.0030.00316.57
7.4.280.0000.00716.56
7.4.270.0040.00416.46
7.4.260.0000.00816.45
7.4.250.0000.00716.41
7.4.240.0030.00316.47
7.4.230.0000.00716.40
7.4.220.0130.00616.48
7.4.210.0070.01016.59
7.4.200.0070.00016.46
7.4.190.0050.00316.56
7.4.160.0100.01016.39
7.4.150.0130.00417.40
7.4.140.0110.01217.86
7.4.130.0110.01116.30
7.4.120.0070.01116.43
7.4.110.0140.00316.46
7.4.100.0060.01216.53
7.4.90.0160.00616.39
7.4.80.0100.01519.39
7.4.70.0120.00616.43
7.4.60.0120.00616.36
7.4.50.0030.00516.35
7.4.40.0110.00722.77
7.4.30.0000.01716.33
7.4.00.0120.00014.76
7.3.330.0030.00313.27
7.3.320.0030.00313.15
7.3.310.0040.00416.14
7.3.300.0040.00416.17
7.3.290.0040.01116.29
7.3.280.0080.00616.28
7.3.270.0030.01317.40
7.3.260.0060.01216.29
7.3.250.0130.00916.29
7.3.240.0060.01616.30
7.3.230.0040.01816.55
7.3.210.0090.01216.52
7.3.200.0090.01419.39
7.3.190.0130.00616.26
7.3.180.0080.00816.27
7.3.170.0110.00716.29
7.3.160.0000.01716.29
7.3.120.0040.01114.68
7.3.10.0040.01016.45
7.3.00.0070.00916.22
7.2.330.0060.01116.37
7.2.320.0140.00516.55
7.2.310.0140.00316.57
7.2.300.0080.00816.56
7.2.290.0100.00616.36
7.2.130.0050.01016.52
7.2.120.0090.00716.49
7.2.110.0090.00716.54
7.2.100.0100.00916.43
7.2.90.0050.01016.67
7.2.80.0090.00716.71
7.2.70.0080.00816.60
7.2.60.0080.00816.62
7.2.50.0060.01016.59
7.2.40.0060.00816.72
7.2.30.0070.00716.75
7.2.20.0080.00816.37
7.2.10.0100.00616.42
7.2.00.0070.00916.56
7.1.250.0100.00615.64
7.1.70.0000.00716.87
7.1.60.0080.00819.82
7.1.50.0120.01216.99
7.1.00.0000.03722.43
7.0.200.0030.00616.82
7.0.140.0000.08022.20
7.0.100.0200.07720.09
7.0.90.0270.09020.08
7.0.80.0100.07720.01
7.0.70.0070.08720.02
7.0.60.0100.06319.99
7.0.50.0100.07320.33
7.0.40.0100.06720.05
7.0.30.0000.07720.11
7.0.20.0070.07020.09
7.0.10.0000.04720.03
7.0.00.0030.07720.07
5.6.280.0030.07320.84
5.6.250.0100.08320.55
5.6.240.0030.05320.69
5.6.230.0000.09320.64
5.6.220.0100.04720.64
5.6.210.0070.03720.57
5.6.200.0070.07721.20
5.6.190.0030.08721.05
5.6.180.0070.08721.08
5.6.170.0100.07721.02
5.6.160.0170.07021.15
5.6.150.0070.08721.07
5.6.140.0070.08021.02
5.6.130.0170.07721.01
5.6.120.0030.08721.13
5.6.110.0100.08720.95
5.6.100.0130.03321.12
5.6.90.0070.09021.04
5.6.80.0070.05720.34
5.6.70.0170.07020.45
5.6.60.0070.06720.42
5.6.50.0070.08020.48
5.6.40.0070.07020.48
5.6.30.0200.06720.44
5.6.20.0030.04720.46
5.6.10.0030.08020.30
5.6.00.0030.08020.29
5.5.380.0170.06720.43
5.5.370.0130.07720.56
5.5.360.0100.08320.55
5.5.350.0030.04320.48
5.5.340.0070.07720.83
5.5.330.0170.07720.82
5.5.320.0070.06720.82
5.5.310.0070.07720.62
5.5.300.0070.06320.91
5.5.290.0130.07320.75
5.5.280.0070.07320.91
5.5.270.0000.08020.87
5.5.260.0030.04320.84
5.5.250.0000.04720.65
5.5.240.0130.07320.28
5.5.230.0100.07320.12
5.5.220.0030.07720.19
5.5.210.0070.06020.02
5.5.200.0030.09020.02
5.5.190.0030.05020.21
5.5.180.0030.08720.26
5.5.160.0100.07020.13
5.5.150.0030.05720.29
5.5.140.0200.05320.27
5.5.130.0130.08320.23
5.5.120.0070.07720.00
5.5.110.0070.04320.22
5.5.100.0030.08320.10
5.5.90.0070.08020.18
5.5.80.0070.07320.11
5.5.70.0100.07720.11
5.5.60.0030.07720.18
5.5.50.0130.06720.08
5.5.40.0070.04720.08
5.5.30.0030.08319.95
5.5.20.0100.04320.16
5.5.10.0030.08719.98
5.5.00.0000.05720.08
5.4.450.0170.03719.37
5.4.440.0130.07319.47
5.4.430.0130.06719.41
5.4.420.0070.04319.20
5.4.410.0100.04019.20
5.4.400.0130.03719.10
5.4.390.0130.07719.11
5.4.380.0030.06319.20
5.4.370.0100.07318.90
5.4.360.0000.05319.05
5.4.350.0030.04719.05
5.4.340.0000.04718.95
5.4.320.0030.07318.95
5.4.310.0170.06719.05
5.4.300.0070.07019.05
5.4.290.0130.06719.09
5.4.280.0100.06719.04
5.4.270.0030.04719.04
5.4.260.0070.07319.04
5.4.250.0030.07718.94
5.4.240.0170.08319.23
5.4.230.0130.05719.13
5.4.220.0030.08319.12
5.4.210.0000.08018.86
5.4.200.0130.06319.09
5.4.190.0070.04718.84
5.4.180.0070.05718.89
5.4.170.0000.07718.92
5.4.160.0100.06019.11
5.4.150.0070.07719.11
5.4.140.0070.07316.33
5.4.130.0000.04316.48
5.4.120.0070.08016.48
5.4.110.0030.08016.42
5.4.100.0100.07016.42
5.4.90.0130.06316.45
5.4.80.0070.07316.47
5.4.70.0000.08016.40
5.4.60.0130.06316.31
5.4.50.0070.04316.43
5.4.40.0100.04716.46
5.4.30.0070.07016.31
5.4.20.0100.07016.46
5.4.10.0030.04316.41
5.4.00.0030.04315.89
5.3.290.0070.06714.68
5.3.280.0170.06014.71
5.3.270.0070.07714.62
5.3.260.0100.07314.74
5.3.250.0100.04314.61
5.3.240.0030.07714.68
5.3.230.0030.07714.60
5.3.220.0070.06714.58
5.3.210.0030.07714.60
5.3.200.0100.06714.70
5.3.190.0000.04714.52
5.3.180.0130.06714.52
5.3.170.0070.04314.68
5.3.160.0070.07014.52
5.3.150.0130.08014.52
5.3.140.0070.07014.70
5.3.130.0270.05714.56
5.3.120.0200.06014.58
5.3.110.0070.08014.68
5.3.100.0030.07314.18
5.3.90.0000.04314.11
5.3.80.0030.08014.06
5.3.70.0100.04314.14
5.3.60.0170.06314.05
5.3.50.0070.06314.09
5.3.40.0070.07013.92
5.3.30.0030.06713.95
5.3.20.0000.03713.66
5.3.10.0070.07013.74
5.3.00.0000.04013.79
5.2.170.0070.05012.10
5.2.160.0100.05712.10
5.2.150.0070.06312.10
5.2.140.0030.04012.10
5.2.130.0030.05012.10
5.2.120.0030.06312.10
5.2.110.0100.05312.10
5.2.100.0000.06312.10
5.2.90.0070.04712.10
5.2.80.0070.06012.10
5.2.70.0000.07012.10
5.2.60.0070.05312.10
5.2.50.0070.06012.10
5.2.40.0000.05312.10
5.2.30.0030.06012.10
5.2.20.0070.05712.10
5.2.10.0070.06012.10
5.2.00.0130.04712.10
5.1.60.0030.05312.10
5.1.50.0030.05712.10
5.1.40.0100.04712.10
5.1.30.0030.06012.10
5.1.20.0000.06312.10
5.1.10.0130.04712.10
5.1.00.0030.05312.10
5.0.50.0070.03312.10
5.0.40.0000.05012.10
5.0.30.0030.06312.10
5.0.20.0030.04312.10
5.0.10.0030.04012.10
5.0.00.0000.06712.10
4.4.90.0000.04012.10
4.4.80.0030.03312.10
4.4.70.0000.02312.10
4.4.60.0030.03712.10
4.4.50.0070.03012.10
4.4.40.0030.03312.10
4.4.30.0000.03712.10
4.4.20.0030.02012.10
4.4.10.0070.03012.10
4.4.00.0070.04312.10
4.3.110.0030.03712.10
4.3.100.0030.03312.10
4.3.90.0000.03312.10
4.3.80.0030.05312.10
4.3.70.0000.03312.10
4.3.60.0000.03712.10
4.3.50.0070.03012.10
4.3.40.0000.05312.10
4.3.30.0000.03712.10
4.3.20.0000.03012.10
4.3.10.0000.03712.10
4.3.00.0000.02012.10

preferences:
44.8 ms | 401 KiB | 5 Q