3v4l.org

run code in 300+ PHP versions simultaneously
<?php $message = 'hello'; // Inherit by-reference $example = function () use (&$message) { $message = 'test'; var_dump($message); }; echo $example(); // Inherit by-reference $example2 = function () use ($message) { $message = 'test'; var_dump($message); }; echo $example();

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)
8.3.60.0100.01018.55
8.3.50.0070.00718.16
8.3.40.0070.00718.80
8.3.30.0000.01419.01
8.3.20.0050.00220.16
8.3.10.0050.00221.73
8.3.00.0070.00019.18
8.2.180.0060.01218.17
8.2.170.0070.01022.96
8.2.160.0100.00722.00
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0080.00019.66
8.2.110.0060.00319.27
8.2.100.0070.00417.78
8.2.90.0000.00819.95
8.2.80.0000.00818.03
8.2.70.0040.00418.05
8.2.60.0000.00817.80
8.2.50.0080.00018.10
8.2.40.0070.00020.42
8.2.30.0030.00618.07
8.2.20.0000.00717.57
8.2.10.0040.00418.07
8.2.00.0040.00417.73
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.48
8.1.230.0100.00320.66
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.22
8.1.190.0050.00317.22
8.1.180.0090.00018.10
8.1.170.0040.00418.56
8.1.160.0050.00322.05
8.1.150.0000.00818.89
8.1.140.0040.00419.23
8.1.130.0030.00317.87
8.1.120.0040.00417.36
8.1.110.0000.00717.38
8.1.100.0070.00017.44
8.1.90.0040.00417.36
8.1.80.0000.00717.43
8.1.70.0000.00717.45
8.1.60.0040.00417.56
8.1.50.0080.00017.42
8.1.40.0050.00217.40
8.1.30.0030.00617.66
8.1.20.0000.00717.68
8.1.10.0040.00417.53
8.1.00.0040.00417.51
8.0.300.0080.00020.16
8.0.290.0090.00016.75
8.0.280.0000.00718.44
8.0.270.0070.00017.21
8.0.260.0000.00717.26
8.0.250.0000.00816.96
8.0.240.0040.00416.84
8.0.230.0000.00716.96
8.0.220.0030.00316.73
8.0.210.0030.00316.91
8.0.200.0030.00317.02
8.0.190.0080.00016.94
8.0.180.0000.00716.94
8.0.170.0000.00816.84
8.0.160.0000.00716.93
8.0.150.0030.00316.80
8.0.140.0040.00416.88
8.0.130.0050.00013.31
8.0.120.0030.00616.79
8.0.110.0040.00316.83
8.0.100.0040.00416.96
8.0.90.0040.00416.96
8.0.80.0090.01316.93
8.0.70.0030.00516.84
8.0.60.0040.00416.96
8.0.50.0070.00016.90
8.0.30.0080.01116.91
8.0.20.0050.01417.41
8.0.10.0000.00717.09
8.0.00.0100.00716.87
7.4.330.0050.00015.03
7.4.320.0030.00316.63
7.4.300.0060.00016.65
7.4.290.0070.00016.64
7.4.280.0030.00516.47
7.4.270.0030.00516.62
7.4.260.0070.00016.57
7.4.250.0040.00416.61
7.4.240.0050.00216.62
7.4.230.0040.00416.60
7.4.220.0070.01116.51
7.4.210.0090.00616.64
7.4.200.0070.00016.50
7.4.160.0110.00416.32
7.4.150.0060.01017.40
7.4.140.0080.01017.86
7.4.130.0080.01116.43
7.4.120.0120.00516.46
7.4.110.0070.01716.36
7.4.100.0030.01316.53
7.4.90.0130.00316.54
7.4.80.0120.00619.39
7.4.70.0100.00716.37
7.4.60.0040.01216.40
7.4.50.0060.00316.55
7.4.40.0100.00616.60
7.4.30.0120.01216.44
7.4.00.0080.00815.00
7.3.330.0050.00013.29
7.3.320.0000.00613.30
7.3.310.0030.00616.11
7.3.300.0030.00316.24
7.3.290.0080.00916.31
7.3.280.0090.00916.31
7.3.270.0070.01117.40
7.3.260.0090.00916.23
7.3.250.0110.00716.38
7.3.240.0090.00616.26
7.3.230.0130.00316.39
7.3.210.0100.01316.37
7.3.200.0120.00619.39
7.3.190.0100.00716.44
7.3.180.0030.01216.63
7.3.170.0090.01216.29
7.3.160.0120.00316.21
7.3.120.0000.01514.77
7.3.110.0030.01014.84
7.3.100.0040.01514.80
7.3.90.0000.01314.88
7.3.80.0040.01115.04
7.3.70.0110.00014.80
7.3.60.0060.00614.82
7.3.50.0060.00614.68
7.3.40.0080.00314.52
7.3.30.0030.00914.61
7.3.20.0110.00016.60
7.3.10.0020.01016.63
7.3.00.0060.00416.65
7.2.330.0070.01116.57
7.2.320.0080.00916.76
7.2.310.0090.01216.21
7.2.300.0070.01016.63
7.2.290.0100.00716.61
7.2.250.0100.00715.04
7.2.240.0100.00314.93
7.2.230.0100.00314.83
7.2.220.0070.00715.03
7.2.210.0060.00914.90
7.2.200.0090.00615.15
7.2.190.0070.00714.79
7.2.180.0030.01214.70
7.2.170.0030.00614.78
7.2.160.0070.00715.02
7.2.150.0080.00416.87
7.2.140.0040.01116.83
7.2.130.0060.00816.90
7.2.120.0060.01116.88
7.2.110.0070.00916.77
7.2.100.0060.00616.79
7.2.90.0070.00916.77
7.2.80.0090.00516.74
7.2.70.0090.00316.83
7.2.60.0070.00716.83
7.2.50.0110.00416.80
7.2.40.0080.00316.83
7.2.30.0070.00716.72
7.2.20.0090.00516.71
7.2.10.0030.00916.85
7.2.00.0050.00917.68
7.1.330.0130.00715.90
7.1.320.0000.01515.95
7.1.310.0060.00615.88
7.1.300.0060.00915.84
7.1.290.0000.01415.96
7.1.280.0000.01015.84
7.1.270.0030.00715.57
7.1.260.0070.00715.69
7.1.250.0060.00715.85
7.1.240.0040.01415.66
7.1.230.0030.00815.73
7.1.220.0030.01015.79
7.1.210.0030.01115.68
7.1.200.0080.00715.73
7.1.190.0070.00715.74
7.1.180.0070.00715.56
7.1.170.0090.00615.87
7.1.160.0030.00715.91
7.1.150.0050.00515.76
7.1.140.0060.00615.46
7.1.130.0030.00515.39
7.1.120.0110.00415.71
7.1.110.0030.00615.53
7.1.100.0060.00616.83
7.1.90.0060.00315.82
7.1.80.0040.00815.72
7.1.70.0040.00516.54
7.1.60.0050.01317.60
7.1.50.0050.01216.23
7.1.40.0100.00315.57
7.1.30.0110.00415.59
7.1.20.0050.00515.89
7.1.10.0040.00715.66
7.1.00.0000.04419.06
7.0.330.0090.00615.34
7.0.320.0110.00415.29
7.0.310.0030.01215.25
7.0.300.0080.00015.09
7.0.290.0060.00615.26
7.0.280.0040.00815.38
7.0.270.0090.00415.15
7.0.260.0030.00615.22
7.0.250.0060.00615.48
7.0.240.0090.00315.42
7.0.230.0000.01215.50
7.0.220.0060.00615.46
7.0.210.0030.00915.17
7.0.200.0050.00216.10
7.0.190.0070.00015.43
7.0.180.0030.00615.51
7.0.170.0110.00315.38
7.0.160.0070.01015.40
7.0.150.0060.00315.33
7.0.140.0070.02018.68
7.0.130.0070.00415.40
7.0.120.0070.00715.29
7.0.110.0040.01115.35
7.0.100.0060.00615.40
7.0.90.0060.00315.06
7.0.80.0030.01215.24
7.0.70.0080.00015.08
7.0.60.0030.04317.65
7.0.50.0080.04016.63
7.0.40.0000.05516.87
7.0.30.0220.03316.72
7.0.20.0250.03616.64
7.0.10.0080.02216.77
7.0.00.0030.02816.72
5.6.400.0030.01014.16
5.6.390.0040.01214.36
5.6.380.0040.01114.30
5.6.370.0000.01114.33
5.6.360.0030.00714.36
5.6.350.0110.00014.49
5.6.340.0100.00714.33
5.6.330.0100.00314.29
5.6.320.0090.00314.36
5.6.310.0070.00714.62
5.6.300.0060.00614.48
5.6.290.0030.00714.55
5.6.280.0100.03517.60
5.6.270.0040.01214.36
5.6.260.0040.00414.36
5.6.250.0000.01214.21
5.6.240.0030.00614.43
5.6.230.0040.00714.29
5.6.220.0060.00914.26
5.6.210.0110.03817.34
5.6.200.0040.02516.21
5.6.190.0080.04717.45
5.6.180.0220.03017.50
5.6.170.0110.04417.28
5.6.160.0050.02317.31
5.6.150.0140.02416.08
5.6.140.0070.03216.30
5.6.130.0100.03616.27
5.6.120.0050.03717.73
5.6.110.0020.03217.67
5.6.100.0100.03017.59
5.6.90.0050.04317.60
5.6.80.0070.04017.16
5.6.70.0000.01314.00
5.6.60.0040.01214.27
5.6.50.0070.01014.32
5.6.40.0070.00814.34
5.6.30.0080.00414.04
5.6.20.0000.01114.18
5.6.10.0040.01114.24
5.6.00.0070.00714.26
5.5.380.0030.00713.93
5.5.370.0030.01014.24
5.5.360.0080.00014.08
5.5.350.0230.03917.11
5.5.340.0050.03216.14
5.5.330.0050.02917.33
5.5.320.0060.02017.33
5.5.310.0170.03517.34
5.5.300.0070.04516.26
5.5.290.0050.04615.88
5.5.280.0070.02317.34
5.5.270.0000.03317.29
5.5.260.0050.03617.57
5.5.250.0060.02317.42
5.5.240.0080.03717.14
5.5.230.0100.00714.00
5.5.220.0030.01214.00
5.5.210.0040.00813.89
5.5.200.0030.01314.00
5.5.190.0030.00913.75
5.5.180.0060.00614.14
5.5.170.0060.01013.98
5.5.160.0060.00613.84
5.5.150.0030.00914.37
5.5.140.0030.01014.08
5.5.130.0040.00414.12
5.5.120.0070.01114.15
5.5.110.0070.00313.85
5.5.100.0030.01014.12
5.5.90.0000.00813.87
5.5.80.0030.01014.06
5.5.70.0060.00613.98
5.5.60.0090.00614.07
5.5.50.0000.01013.96
5.5.40.0080.00313.86
5.5.30.0030.00714.13
5.5.20.0030.00614.19
5.5.10.0000.01313.88
5.5.00.0090.00314.13
5.4.450.0100.03015.14
5.4.440.0090.03115.05
5.4.430.0110.02815.10
5.4.420.0030.03515.15
5.4.410.0140.03315.07
5.4.400.0030.03514.93
5.4.390.0130.03314.79
5.4.380.0130.03414.69
5.4.370.0150.03014.72
5.4.360.0120.03214.79
5.4.350.0160.02814.46
5.4.340.0100.03514.81
5.4.330.0030.00710.91
5.4.320.0080.03314.88
5.4.310.0150.03014.76
5.4.300.0160.02314.66
5.4.290.0140.03214.91
5.4.280.0120.03314.69
5.4.270.0240.02514.75
5.4.260.0130.03414.68
5.4.250.0130.03014.77
5.4.240.0080.03714.72
5.4.230.0130.03014.72
5.4.220.0120.03714.72
5.4.210.0170.02814.79
5.4.200.0170.03213.70
5.4.190.0130.03414.70
5.4.180.0100.03514.66
5.4.170.0110.03014.65
5.4.160.0160.03614.54
5.4.150.0150.02914.57
5.4.140.0070.03413.51
5.4.130.0110.02613.71
5.4.120.0130.02613.50
5.4.110.0070.03213.69
5.4.100.0100.03013.44
5.4.90.0210.02313.44
5.4.80.0150.02813.60
5.4.70.0080.04013.55
5.4.60.0140.03113.58
5.4.50.0180.02013.56
5.4.40.0170.02513.49
5.4.30.0140.03213.38
5.4.20.0080.03213.51
5.4.10.0130.02413.43
5.4.00.0160.02313.17
5.3.290.0300.05014.85
5.3.280.0100.06314.70
5.3.270.0200.05714.66
5.3.260.0130.06314.62
5.3.250.0200.05014.59
5.3.240.0170.05714.58
5.3.230.0230.05014.78
5.3.220.0170.05314.66
5.3.210.0100.06314.79
5.3.200.0270.04714.54
5.3.190.0200.05314.55
5.3.180.0130.06314.54
5.3.170.0170.05314.57
5.3.160.0200.05014.77
5.3.150.0230.05014.58
5.3.140.0330.04014.57
5.3.130.0270.04714.68
5.3.120.0230.05014.59
5.3.110.0270.05014.64
5.3.100.0130.06014.15
5.3.90.0230.04714.06
5.3.80.0170.07014.23
5.3.70.0170.05714.13
5.3.60.0300.04314.14
5.3.50.0130.06013.95
5.3.40.0200.05013.98
5.3.30.0270.04014.04
5.3.20.0100.05713.73
5.3.10.0100.05713.66
5.3.00.0270.04313.66
5.2.170.0130.06311.28
5.2.160.0300.03011.13
5.2.150.0270.03011.18
5.2.140.0100.05011.14
5.2.130.0170.04011.15
5.2.120.0170.03711.06
5.2.110.0030.05011.25
5.2.100.0130.04011.26
5.2.90.0170.04011.02
5.2.80.0100.04711.01
5.2.70.0170.04311.16
5.2.60.0130.04311.02
5.2.50.0070.05011.15
5.2.40.0170.03710.98
5.2.30.0070.04710.96
5.2.20.0170.03710.89
5.2.10.0100.04310.96
5.2.00.0070.04710.81
5.1.60.0100.0339.99
5.1.50.0130.0379.96
5.1.40.0130.03310.00
5.1.30.0130.03310.39
5.1.20.0100.04310.39
5.1.10.0130.03710.11
5.1.00.0030.04710.06
5.0.50.0170.0238.68
5.0.40.0070.0278.48
5.0.30.0070.0508.23
5.0.20.0100.0278.20
5.0.10.0170.0238.27
5.0.00.0030.0538.17
4.4.90.0130.0175.88
4.4.80.0030.0235.92
4.4.70.0130.0175.89
4.4.60.0070.0275.89
4.4.50.0000.0375.89
4.4.40.0100.0335.86
4.4.30.0000.0275.87
4.4.20.0100.0205.98
4.4.10.0070.0305.99
4.4.00.0000.0535.88
4.3.110.0030.0275.80
4.3.100.0000.0275.82
4.3.90.0100.0175.89
4.3.80.0070.0335.78
4.3.70.0030.0235.77
4.3.60.0100.0175.82
4.3.50.0070.0235.78
4.3.40.0100.0335.79
4.3.30.0070.0204.59
4.3.20.0030.0274.61
4.3.10.0000.0274.50
4.3.00.0030.0206.70

preferences:
57.18 ms | 400 KiB | 5 Q