3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Connection { protected $link; private $server, $username, $password, $db; public function __construct($server, $username, $password, $db) { echo 'constructing'; $this->server = $server; $this->username = $username; $this->password = $password; $this->db = $db; $this->connect(); } private function connect() { echo 'conected'; } public function __sleep() { return array('server', 'username', 'password', 'db'); } public function __wakeup() { $this->connect(); } } $a = new Connection('s', 'u', 'p', 'd'); echo '-----------------------'; $sa = serialize($a); echo 'n------------------------'; $usa = unserialize($sa);

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)
8.3.60.0120.00918.55
8.3.50.0170.00422.09
8.3.40.0080.00818.89
8.3.30.0140.00019.08
8.3.20.0070.00020.12
8.3.10.0050.00321.92
8.3.00.0040.00422.39
8.2.180.0070.01116.32
8.2.170.0110.00422.96
8.2.160.0110.01119.25
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0090.00626.16
8.2.120.0040.00419.26
8.2.110.0030.00722.16
8.2.100.0060.00617.91
8.2.90.0080.00017.75
8.2.80.0000.00817.97
8.2.70.0050.00318.03
8.2.60.0030.00617.80
8.2.50.0000.00818.10
8.2.40.0040.00420.42
8.2.30.0000.00818.01
8.2.20.0000.00817.52
8.2.10.0040.00419.32
8.2.00.0040.00417.71
8.1.280.0100.00325.92
8.1.270.0000.00821.95
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0090.00023.80
8.1.230.0050.00519.14
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0090.00021.97
8.1.150.0000.00718.59
8.1.140.0000.00717.32
8.1.130.0000.00717.79
8.1.120.0070.00017.43
8.1.110.0060.00317.40
8.1.100.0080.00017.39
8.1.90.0000.00717.29
8.1.80.0040.00417.29
8.1.70.0030.00517.40
8.1.60.0030.00617.52
8.1.50.0040.00417.53
8.1.40.0040.00417.54
8.1.30.0000.00817.58
8.1.20.0080.00017.68
8.1.10.0040.00417.47
8.1.00.0030.00617.58
8.0.300.0000.00719.79
8.0.290.0000.00816.88
8.0.280.0070.00018.53
8.0.270.0030.00317.34
8.0.260.0000.00716.84
8.0.250.0050.00316.97
8.0.240.0000.00716.97
8.0.230.0050.00217.02
8.0.220.0050.00216.84
8.0.210.0000.00716.88
8.0.200.0000.00816.93
8.0.190.0080.00016.87
8.0.180.0030.00516.86
8.0.170.0040.00416.96
8.0.160.0000.00817.01
8.0.150.0080.00016.74
8.0.140.0070.00016.90
8.0.130.0000.00513.31
8.0.120.0080.00016.93
8.0.110.0000.00716.88
8.0.100.0040.00416.90
8.0.90.0000.00717.00
8.0.80.0150.00016.89
8.0.70.0050.00316.94
8.0.60.0000.00816.88
8.0.50.0050.00216.72
8.0.30.0100.00817.14
8.0.20.0070.01117.40
8.0.10.0000.00916.82
8.0.00.0050.01216.96
7.4.330.0000.00515.00
7.4.320.0030.00316.48
7.4.300.0030.00316.63
7.4.290.0000.00716.48
7.4.280.0030.00716.52
7.4.270.0000.00816.63
7.4.260.0070.00016.64
7.4.250.0040.00416.45
7.4.240.0040.00316.56
7.4.230.0030.00316.35
7.4.220.0140.01016.65
7.4.210.0060.00916.62
7.4.200.0030.00416.71
7.4.190.0070.00016.60
7.4.160.0130.00316.45
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0120.00816.51
7.4.120.0120.00916.43
7.4.110.0070.01016.70
7.4.100.0100.00716.70
7.4.90.0140.00416.66
7.4.80.0150.00619.39
7.4.70.0130.00516.51
7.4.60.0100.01016.55
7.4.50.0060.00316.34
7.4.40.0030.01022.77
7.4.30.0040.01216.36
7.4.00.0070.00914.93
7.3.330.0030.00313.13
7.3.320.0030.00213.19
7.3.310.0000.00816.27
7.3.300.0030.00316.22
7.3.290.0090.01016.27
7.3.280.0090.01016.22
7.3.270.0090.01017.40
7.3.260.0090.01316.38
7.3.250.0140.00416.46
7.3.240.0110.00716.25
7.3.230.0100.00616.39
7.3.210.0140.00616.45
7.3.200.0060.01019.39
7.3.190.0000.00116.41
7.3.180.0050.01016.30
7.3.170.0110.01116.38
7.3.160.0060.00916.54
7.3.120.0090.00614.70
7.3.110.0100.00714.88
7.3.100.0030.00714.64
7.3.90.0040.01114.83
7.3.80.0060.00914.74
7.3.70.0070.01014.49
7.3.60.0000.01314.76
7.3.50.0000.01114.72
7.3.40.0060.00914.62
7.3.30.0000.01214.84
7.3.20.0100.00316.54
7.3.10.0080.00616.34
7.3.00.0080.00016.79
7.2.330.0090.00916.79
7.2.320.0040.01316.71
7.2.310.0130.01016.75
7.2.300.0070.01016.70
7.2.290.0030.01416.64
7.2.250.0030.01715.05
7.2.240.0070.01015.01
7.2.230.0120.00314.97
7.2.220.0070.00315.02
7.2.210.0040.01414.79
7.2.200.0070.01015.24
7.2.190.0070.00714.71
7.2.180.0030.01314.97
7.2.170.0050.00514.72
7.2.80.0120.00316.56
7.2.60.0100.00317.03
7.1.330.0030.00915.89
7.1.320.0070.00715.57
7.1.310.0060.01215.74
7.1.300.0040.00715.74
7.1.290.0040.01115.68
7.1.280.0030.00615.77
7.1.270.0060.00315.85
7.1.260.0030.00915.89
7.1.200.0050.00515.80
7.1.70.0000.00917.08
7.1.60.0130.01319.82
7.1.50.0070.00416.85
7.1.00.0070.07322.45
7.0.200.0040.00816.46
7.0.140.0070.07022.21
7.0.100.0000.04319.89
7.0.90.0000.05719.88
7.0.80.0130.06719.98
7.0.70.0170.07719.84
7.0.60.0070.08319.86
7.0.50.0200.08020.25
7.0.40.0130.05720.10
7.0.30.0130.07720.00
7.0.20.0100.08020.14
7.0.10.0070.07720.12
7.0.00.0070.09019.94
5.6.280.0130.06320.79
5.6.250.0030.04020.64
5.6.240.0030.04320.52
5.6.230.0070.04020.68
5.6.220.0070.08320.65
5.6.210.0100.07720.65
5.6.200.0030.07721.10
5.6.190.0130.08021.04
5.6.180.0030.08021.09
5.6.170.0100.05721.09
5.6.160.0030.07321.02
5.6.150.0170.05321.02
5.6.140.0130.06021.17
5.6.130.0130.06021.10
5.6.120.0070.04021.04
5.6.110.0100.07721.01
5.6.100.0070.08720.93
5.6.90.0100.07721.16
5.6.80.0000.05720.39
5.6.70.0030.08020.52
5.6.60.0070.04320.51
5.6.50.0130.07020.49
5.6.40.0070.07720.53
5.6.30.0030.08020.50
5.6.20.0130.06320.38
5.6.10.0130.06020.31
5.6.00.0070.07320.32
5.5.380.0000.03720.41
5.5.370.0070.04020.57
5.5.360.0070.07320.42
5.5.350.0030.04320.48
5.5.340.0130.08020.89
5.5.330.0100.06720.88
5.5.320.0070.08320.93
5.5.310.0030.05020.77
5.5.300.0130.05020.65
5.5.290.0130.06720.65
5.5.280.0030.08320.92
5.5.270.0070.06020.86
5.5.260.0130.07720.92
5.5.250.0070.08020.59
5.5.240.0100.07320.15
5.5.230.0070.04020.25
5.5.220.0100.07720.18
5.5.210.0000.08320.16
5.5.200.0030.04720.15
5.5.190.0070.08320.22
5.5.180.0030.08320.00
5.5.160.0100.05320.29
5.5.150.0030.07320.14
5.5.140.0030.05020.21
5.5.130.0070.08020.27
5.5.120.0070.07720.27
5.5.110.0070.08020.12
5.5.100.0070.08320.08
5.5.90.0000.06720.12
5.5.80.0100.05320.11
5.5.70.0070.06720.12
5.5.60.0100.03720.16
5.5.50.0130.07019.94
5.5.40.0170.04020.04
5.5.30.0200.03020.14
5.5.20.0030.08020.15
5.5.10.0100.07720.04
5.5.00.0030.05020.12
5.4.450.0070.07719.37
5.4.440.0070.08019.38
5.4.430.0130.07719.55
5.4.420.0130.07719.35
5.4.410.0070.07719.24
5.4.400.0100.07719.05
5.4.390.0070.07018.88
5.4.380.0100.08319.21
5.4.370.0030.06319.16
5.4.360.0070.08019.04
5.4.350.0070.03719.13
5.4.340.0070.07319.14
5.4.320.0070.04319.04
5.4.310.0100.07019.18
5.4.300.0000.08019.04
5.4.290.0100.04019.23
5.4.280.0130.07319.18
5.4.270.0100.07019.02
5.4.260.0130.05719.16
5.4.250.0070.06719.08
5.4.240.0030.07719.20
5.4.230.0100.07319.13
5.4.220.0100.07319.20
5.4.210.0070.07719.02
5.4.200.0130.06718.89
5.4.190.0030.04718.94
5.4.180.0070.08019.03
5.4.170.0030.05319.13
5.4.160.0070.07718.92
5.4.150.0070.05019.21
5.4.140.0070.04716.36
5.4.130.0030.04716.19
5.4.120.0100.06716.37
5.4.110.0070.04016.34
5.4.100.0030.03716.28
5.4.90.0000.04716.50
5.4.80.0070.06316.34
5.4.70.0130.06316.34
5.4.60.0200.06316.42
5.4.50.0130.06016.41
5.4.40.0000.08016.52
5.4.30.0030.07316.47
5.4.20.0030.07316.39
5.4.10.0000.07016.27
5.4.00.0030.08015.72
5.3.290.0030.08014.79
5.3.280.0030.07014.55
5.3.270.0030.04314.66
5.3.260.0000.04314.67
5.3.250.0100.07314.58
5.3.240.0030.06314.54
5.3.230.0000.04014.61
5.3.220.0070.05314.60
5.3.210.0070.07014.63
5.3.200.0000.04014.68
5.3.190.0100.07314.50
5.3.180.0170.06714.57
5.3.170.0030.08014.71
5.3.160.0030.07714.70
5.3.150.0070.07314.70
5.3.140.0030.07714.62
5.3.130.0100.06314.64
5.3.120.0030.04314.55
5.3.110.0070.07714.66
5.3.100.0000.06313.97
5.3.90.0070.07014.09
5.3.80.0070.07014.09
5.3.70.0030.04313.91
5.3.60.0070.03714.02
5.3.50.0030.05713.87
5.3.40.0030.06713.89
5.3.30.0130.04713.98
5.3.20.0070.07013.69
5.3.10.0100.05713.79
5.3.00.0070.06313.67
5.2.170.0070.04712.16
5.2.160.0070.06312.16
5.2.150.0070.06012.16
5.2.140.0000.03712.16
5.2.130.0030.03712.16
5.2.120.0000.05712.16
5.2.110.0100.05712.16
5.2.100.0100.02312.16
5.2.90.0000.04012.16
5.2.80.0070.05312.16
5.2.70.0100.04312.16
5.2.60.0070.06312.16
5.2.50.0070.05312.16
5.2.40.0100.05712.16
5.2.30.0070.06012.16
5.2.20.0000.04312.16
5.2.10.0070.06312.16
5.2.00.0030.03712.16
5.1.60.0100.04712.16
5.1.50.0100.05312.16
5.1.40.0030.04712.16
5.1.30.0070.04012.16
5.1.20.0100.05312.16
5.1.10.0170.04012.16
5.1.00.0070.04012.16
5.0.50.0000.04712.16
5.0.40.0030.02712.16
5.0.30.0000.06712.16
5.0.20.0000.04012.16
5.0.10.0000.03312.16
5.0.00.0030.06312.16
4.4.90.0000.03712.16
4.4.80.0000.03312.16
4.4.70.0030.02312.16
4.4.60.0030.02012.16
4.4.50.0030.03712.16
4.4.40.0030.05312.16
4.4.30.0000.03712.16
4.4.20.0030.03712.16
4.4.10.0000.03712.16
4.4.00.0100.04012.16
4.3.110.0070.03312.16
4.3.100.0030.03312.16
4.3.90.0000.03312.16
4.3.80.0070.04012.16
4.3.70.0070.02312.16
4.3.60.0030.03012.16
4.3.50.0100.03012.16
4.3.40.0030.05012.16
4.3.30.0070.03012.16
4.3.20.0030.03312.16
4.3.10.0030.04012.16
4.3.00.0000.03312.16

preferences:
52.73 ms | 401 KiB | 5 Q