3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Julio { protected static $instance = false; public function __construct( $args = array() ) {} public function get_instance() { if ( ! self::$instance ) { $className = __CLASS__; self::$instance = new $className( $args ); } return self::$instance; } }

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)
8.3.60.0040.01118.18
8.3.50.0110.01021.22
8.3.40.0040.01118.64
8.3.30.0070.00718.67
8.3.20.0080.00020.34
8.3.10.0050.00323.66
8.3.00.0070.00022.43
8.2.180.0080.00818.18
8.2.170.0070.00722.96
8.2.160.0070.00719.19
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.81
8.2.110.0080.00820.99
8.2.100.0040.00817.57
8.2.90.0080.00017.66
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0000.00817.91
8.2.50.0000.00818.07
8.2.40.0040.00421.11
8.2.30.0040.00419.78
8.2.20.0070.00017.55
8.2.10.0050.00317.86
8.2.00.0050.00317.93
8.1.280.0100.01025.92
8.1.270.0050.00320.33
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0080.00421.85
8.1.230.0040.00720.96
8.1.220.0080.00017.74
8.1.210.0000.00818.90
8.1.200.0060.00317.10
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0050.00518.34
8.1.160.0050.00221.91
8.1.150.0000.00718.64
8.1.140.0000.00817.32
8.1.130.0070.00017.58
8.1.120.0040.00417.42
8.1.110.0040.00417.29
8.1.100.0070.00017.32
8.1.90.0030.00517.22
8.1.80.0000.00717.32
8.1.70.0030.00317.27
8.1.60.0000.00817.35
8.1.50.0030.00517.36
8.1.40.0000.00817.28
8.1.30.0000.00717.54
8.1.20.0050.00217.54
8.1.10.0040.00417.42
8.1.00.0040.00417.18
8.0.300.0060.00319.85
8.0.290.0000.00716.63
8.0.280.0050.00218.22
8.0.270.0070.00017.05
8.0.260.0000.00717.12
8.0.250.0070.00016.85
8.0.240.0000.00816.80
8.0.230.0020.00516.64
8.0.220.0040.00416.77
8.0.210.0000.00716.72
8.0.200.0060.00016.75
8.0.190.0030.00316.86
8.0.180.0040.00316.63
8.0.170.0070.00016.87
8.0.160.0040.00416.75
8.0.150.0000.00716.75
8.0.140.0030.00616.78
8.0.130.0030.00313.22
8.0.120.0080.00016.66
8.0.110.0000.00716.80
8.0.100.0000.00816.57
8.0.90.0050.00216.76
8.0.80.0070.00816.75
8.0.70.0040.00416.72
8.0.60.0030.00516.76
8.0.50.0000.00816.70
8.0.30.0050.01216.96
8.0.20.0110.00717.40
8.0.10.0050.00217.01
8.0.00.0090.00816.49
7.4.330.0000.00615.08
7.4.320.0000.00616.54
7.4.300.0030.00316.37
7.4.290.0030.00616.31
7.4.280.0090.00016.49
7.4.270.0030.00316.41
7.4.260.0000.00716.40
7.4.250.0040.00416.45
7.4.240.0040.00316.49
7.4.230.0000.00716.29
7.4.220.0090.00616.42
7.4.210.0060.01016.48
7.4.200.0000.00716.41
7.4.160.0060.01116.28
7.4.150.0100.00917.40
7.4.140.0120.00717.86
7.4.130.0050.01116.34
7.4.120.0100.00716.34
7.4.110.0100.01016.33
7.4.100.0090.01216.33
7.4.90.0120.00616.20
7.4.80.0100.00719.39
7.4.70.0100.01016.32
7.4.60.0040.01116.55
7.4.50.0080.00016.27
7.4.40.0130.00616.37
7.4.30.0150.00816.36
7.4.00.0070.00714.79
7.3.330.0070.00013.00
7.3.320.0030.00313.05
7.3.310.0040.00416.04
7.3.300.0030.00316.13
7.3.290.0050.00916.17
7.3.280.0070.01016.18
7.3.270.0080.00817.40
7.3.260.0090.01516.32
7.3.250.0120.00616.28
7.3.240.0100.00716.20
7.3.230.0070.01116.42
7.3.210.0040.01416.18
7.3.200.0100.01119.39
7.3.190.0150.00016.22
7.3.180.0080.00816.22
7.3.170.0040.01216.27
7.3.160.0070.01016.29
7.2.330.0140.00316.60
7.2.320.0080.00916.18
7.2.310.0070.01116.39
7.2.300.0140.00316.45
7.2.290.0150.00816.43
7.2.80.0030.00916.58
7.2.60.0030.01016.64
7.2.50.0070.00716.49
7.1.200.0070.00415.68
7.1.70.0090.00616.94
7.1.60.0140.01020.03
7.1.50.0070.01316.91
7.1.00.0030.07722.33
7.0.200.0040.00416.66
7.0.60.0100.03320.04
7.0.50.0000.04317.91
7.0.40.0070.07720.24
7.0.30.0200.04320.11
7.0.20.0270.04320.17
7.0.10.0070.06720.16
7.0.00.0130.06320.14
5.6.280.0070.05020.82
5.6.210.0030.07720.77
5.6.200.0000.04318.22
5.6.190.0100.04320.47
5.6.180.0130.05020.48
5.6.170.0270.07720.48
5.6.160.0030.06320.70
5.6.150.0070.03718.19
5.6.140.0130.05318.28
5.6.130.0030.04018.24
5.6.120.0030.09020.90
5.6.110.0130.05321.11
5.6.100.0130.07721.01
5.6.90.0170.06720.88
5.6.80.0100.07320.54
5.6.70.4600.03720.34
5.5.350.0230.03720.43
5.5.340.0070.05317.95
5.5.330.0170.05720.27
5.5.320.0330.05020.38
5.5.310.0230.07720.34
5.5.300.0100.03317.96
5.5.290.0200.07018.01
5.5.280.0070.08020.67
5.5.270.0100.07320.87
5.5.260.0100.08320.96
5.5.250.0100.08720.62
5.5.240.0300.06720.35
5.4.450.0730.06319.61
5.4.440.0670.05719.33
5.4.430.0570.06319.70
5.4.420.0870.04319.63
5.4.410.0900.07319.48
5.4.400.0870.06719.06
5.4.390.0770.05719.29
5.4.380.0670.05719.01
5.4.370.0700.05019.30
5.4.360.0900.06319.13
5.4.350.1130.08319.29
5.4.340.0770.04719.23
5.4.320.0500.05719.30
5.4.310.0730.05019.28
5.4.300.0630.05719.24
5.4.290.0770.05019.27
5.4.280.0330.05318.84
5.4.270.0170.05319.15
5.4.260.0470.06718.87
5.4.250.0670.05319.29
5.4.240.0670.05019.25
5.4.230.0130.04719.14
5.4.220.0630.05719.13
5.4.210.0500.04719.01
5.4.200.0100.05716.70
5.4.190.0630.05018.94
5.4.180.0670.05719.04
5.4.170.0730.05719.13
5.4.160.0600.06019.13
5.4.150.0670.05718.92
5.4.140.0630.05716.34
5.4.130.0700.04716.53
5.4.120.0570.05316.56
5.4.110.0770.05016.45
5.4.100.0730.05016.40
5.4.90.0900.04016.39
5.4.80.0800.06016.54
5.4.70.0930.06016.30
5.4.60.0030.07716.17
5.4.50.0000.04316.34
5.4.40.0270.06016.25
5.4.30.0230.04316.43
5.4.20.0300.06316.16

preferences:
57.26 ms | 401 KiB | 5 Q