3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private static $instance; public static function getInstance() { if (null === $this->instance) { static::$instance = new self; } return static::instance; } } $a = A::getInstance(); var_dump($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)
8.3.60.0100.00316.63
8.3.50.0140.00421.11
8.3.40.0040.01118.72
8.3.30.0000.01518.67
8.3.20.0040.00420.33
8.3.10.0080.00021.81
8.3.00.0040.00421.62
8.2.180.0140.00716.72
8.2.170.0070.00722.96
8.2.160.0120.00619.27
8.2.150.0040.01124.18
8.2.140.0000.00824.66
8.2.130.0000.00821.09
8.2.120.0070.00026.35
8.2.110.0030.00621.18
8.2.100.0060.00618.01
8.2.90.0100.00017.63
8.2.80.0000.00817.97
8.2.70.0000.00817.80
8.2.60.0030.00618.04
8.2.50.0040.00418.10
8.2.40.0040.00420.46
8.2.30.0050.00519.29
8.2.20.0040.00417.53
8.2.10.0000.00717.99
8.2.00.0040.00417.97
8.1.280.0120.00925.92
8.1.270.0110.00322.18
8.1.260.0080.00028.09
8.1.250.0050.00528.09
8.1.240.0080.00023.88
8.1.230.0040.00722.23
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.25
8.1.190.0030.00617.10
8.1.180.0030.00618.10
8.1.170.0030.00718.46
8.1.160.0040.00420.63
8.1.150.0000.00720.55
8.1.140.0030.00619.45
8.1.130.0030.00317.48
8.1.120.0050.00217.36
8.1.110.0030.00517.16
8.1.100.0040.00417.30
8.1.90.0000.00817.30
8.1.80.0000.00817.28
8.1.70.0030.00517.27
8.1.60.0000.00817.38
8.1.50.0060.00317.45
8.1.40.0090.00017.50
8.1.30.0040.00417.50
8.1.20.0040.00417.46
8.1.10.0040.00417.51
8.1.00.0000.00717.41
8.0.300.0000.00719.57
8.0.290.0000.00716.75
8.0.280.0030.00318.38
8.0.270.0000.00717.19
8.0.260.0030.00317.18
8.0.250.0030.00316.88
8.0.240.0000.00716.90
8.0.230.0030.00316.83
8.0.220.0070.00016.78
8.0.210.0040.00416.86
8.0.200.0000.00616.97
8.0.190.0000.00716.91
8.0.180.0040.00416.87
8.0.170.0040.00416.79
8.0.160.0050.00216.80
8.0.150.0040.00416.90
8.0.140.0070.00016.83
8.0.130.0000.00613.39
8.0.120.0040.00416.87
8.0.110.0040.00416.84
8.0.100.0000.00816.70
8.0.90.0070.00016.75
8.0.80.0050.01216.94
8.0.70.0070.00016.76
8.0.60.0000.00716.78
8.0.50.0050.00316.95
8.0.30.0070.01016.91
8.0.20.0110.00717.40
8.0.10.0000.00817.01
8.0.00.0090.01216.69
7.4.330.0000.00516.73
7.4.320.0000.00616.29
7.4.300.0000.00716.54
7.4.290.0040.00816.43
7.4.280.0040.00416.38
7.4.270.0000.00616.41
7.4.260.0070.00016.52
7.4.250.0040.00416.41
7.4.240.0050.00216.45
7.4.230.0040.00416.36
7.4.220.0090.00916.43
7.4.210.0110.00416.48
7.4.200.0030.00316.63
7.4.160.0030.01216.45
7.4.150.0060.01317.40
7.4.140.0130.00517.86
7.4.130.0030.01316.51
7.4.120.0140.00316.37
7.4.110.0070.01016.34
7.4.100.0120.00616.55
7.4.90.0170.00716.56
7.4.80.0040.01319.39
7.4.70.0100.00716.41
7.4.60.0060.01016.55
7.4.50.0130.00316.25
7.4.40.0100.00716.43
7.4.30.0060.01216.54
7.4.10.0030.00616.34
7.4.00.0070.00715.85
7.3.330.0030.00313.15
7.3.320.0030.00313.19
7.3.310.0000.00716.27
7.3.300.0000.00716.32
7.3.290.0060.01016.41
7.3.280.0090.00916.32
7.3.270.0150.00317.40
7.3.260.0120.00516.29
7.3.240.0090.00916.33
7.3.230.0070.01316.59
7.3.210.0070.01016.37
7.3.200.0120.00619.39
7.3.190.0080.01216.61
7.3.180.0070.01416.25
7.3.170.0110.00616.50
7.3.160.0030.02016.34
7.3.130.0030.00716.35
7.3.120.0090.00316.23
7.3.110.0100.00316.37
7.3.100.0100.00716.39
7.3.90.0030.00716.57
7.3.80.0060.00916.39
7.3.70.0060.00316.44
7.3.60.0100.00316.31
7.3.50.0060.00916.21
7.3.40.0110.00716.32
7.3.30.0000.01516.15
7.3.20.0080.01117.98
7.3.10.0060.00617.21
7.3.00.0070.00817.15
7.2.330.0110.00716.28
7.2.320.0090.00916.67
7.2.310.0110.00516.33
7.2.300.0080.01116.55
7.2.290.0090.00616.38
7.2.260.0030.00716.42
7.2.250.0070.00716.29
7.2.240.0090.00316.35
7.2.230.0100.00716.70
7.2.220.0070.01016.28
7.2.210.0030.01016.57
7.2.200.0110.00416.39
7.2.190.0030.00716.45
7.2.180.0040.01216.29
7.2.170.0140.00716.39
7.2.160.0040.01216.53
7.2.150.0000.01818.35
7.2.140.0100.00318.32
7.2.130.0060.00517.35
7.2.120.0100.00517.57
7.2.110.0050.01017.59
7.2.100.0050.01017.48
7.2.90.0070.01017.48
7.2.80.0060.00817.43
7.2.70.0060.00517.42
7.2.60.0050.01017.18
7.2.50.0050.00717.39
7.2.40.0070.00817.49
7.2.30.0030.00817.56
7.2.20.0090.00217.41
7.2.10.0050.00817.49
7.2.00.0040.00818.18
7.1.330.0000.01217.35
7.1.320.0040.00417.29
7.1.310.0040.01117.22
7.1.300.0040.01217.09
7.1.290.0070.00717.24
7.1.280.0000.01117.25
7.1.270.0070.01016.98
7.1.260.0070.00717.16
7.1.250.0060.00716.32
7.1.240.0040.01417.19
7.1.230.0150.00017.16
7.1.220.0070.00417.19
7.1.210.0030.01517.23
7.1.200.0050.01016.44
7.1.190.0170.00717.09
7.1.180.0070.00717.28
7.1.170.0030.01017.18
7.1.160.0030.01017.07
7.1.150.0060.00617.13
7.1.140.0030.01117.12
7.1.130.0090.00017.21
7.1.120.0030.00917.11
7.1.110.0000.00917.22
7.1.100.0040.00717.50
7.1.90.0070.00717.24
7.1.80.0030.01017.09
7.1.70.0070.00317.08
7.1.60.0070.01318.21
7.1.50.0070.01017.03
7.1.40.0030.00817.05
7.1.30.0060.01217.08
7.1.20.0070.00417.33
7.1.10.0060.00916.96
7.1.00.0090.03919.64
7.0.330.0060.00616.62
7.0.320.0060.00916.82
7.0.310.0030.01216.87
7.0.300.0090.00616.76
7.0.290.0080.00316.78
7.0.280.0070.00716.97
7.0.270.0030.00717.04
7.0.260.0060.00916.91
7.0.250.0090.00616.97
7.0.240.0040.00716.91
7.0.230.0080.00416.98
7.0.220.0060.00617.03
7.0.210.0040.01116.97
7.0.200.0060.00616.78
7.0.190.0000.01216.93
7.0.180.0080.00516.89
7.0.170.0060.00916.93
7.0.160.0070.01016.70
7.0.150.0030.01016.88
7.0.140.0090.00317.14
7.0.130.0090.00616.89
7.0.120.0060.00316.71
7.0.110.0000.00916.96
7.0.100.0040.01116.70
7.0.90.0060.00616.90
7.0.80.0070.00316.96
7.0.70.0030.00916.79
7.0.60.0030.04719.26
7.0.50.0080.03817.26
7.0.40.0020.04917.53
7.0.30.0170.04717.52
7.0.20.0200.04617.55
7.0.10.0050.04217.53
7.0.00.0060.03117.46
5.6.400.0030.01015.79
5.6.390.0070.00315.71
5.6.380.0030.00615.64
5.6.370.0060.00615.60
5.6.360.0040.01115.86
5.6.350.0030.00615.80
5.6.340.0060.00915.66
5.6.330.0060.00615.75
5.6.320.0090.00615.59
5.6.310.0040.01415.50
5.6.300.0000.01515.48
5.6.290.0110.00415.80
5.6.280.0020.03818.31
5.6.270.0060.00615.98
5.6.260.0030.01015.82
5.6.250.0000.01215.70
5.6.240.0060.00315.92
5.6.230.0030.01215.78
5.6.220.0120.00315.59
5.6.210.0070.03318.32
5.6.200.0040.02416.78
5.6.190.0070.04318.13
5.6.180.0200.04518.16
5.6.170.0100.02518.10
5.6.160.0050.04918.11
5.6.150.0070.04617.04
5.6.140.0150.04016.93
5.6.130.0030.02916.92
5.6.120.0100.04718.30
5.6.110.0090.02218.46
5.6.100.0050.02918.32
5.6.90.0100.03718.51
5.6.80.0070.04318.15
5.6.70.0070.01015.84
5.6.60.0120.00615.63
5.6.50.0060.00915.69
5.6.40.0070.01015.66
5.6.30.0090.00615.59
5.6.20.0070.01015.76
5.6.10.0030.01215.87
5.6.00.0130.00315.46
5.5.380.0190.00615.57
5.5.370.0110.00815.79
5.5.360.0160.01015.65
5.5.350.0150.04218.03
5.5.340.0090.03016.85
5.5.330.0130.04618.01
5.5.320.0340.03117.95
5.5.310.0160.04217.84
5.5.300.0150.03916.78
5.5.290.0030.03316.67
5.5.280.0120.03818.24
5.5.270.0070.03218.29
5.5.260.0110.03618.29
5.5.250.0160.03118.20
5.5.240.0170.04017.79
5.5.230.0110.01415.46
5.5.220.0120.00915.41
5.5.210.0120.01215.47
5.5.200.0190.00515.71
5.5.190.0210.00715.53
5.5.180.0170.01015.56
5.5.170.0200.00815.63
5.5.160.0130.01015.44
5.5.150.0160.01015.62
5.5.140.0240.00415.63
5.5.130.0110.01115.18
5.5.120.0170.00815.60
5.5.110.0190.00615.63
5.5.100.0160.01015.58
5.5.90.0180.00915.28
5.5.80.0160.01215.43
5.5.70.0170.00715.38
5.5.60.0120.01315.65
5.5.50.0120.01215.66
5.5.40.0000.02515.59
5.5.30.0130.01115.46
5.5.20.0110.01415.61
5.5.10.0170.00615.53
5.5.00.0130.01315.65

preferences:
54.28 ms | 401 KiB | 5 Q