3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function B() { // $this = 'hello'; // error // ${'this'} = 'hello'; // error ${'t' . 'his'} = 'hello'; // works return $this; } } $a = new A; echo $a->B();

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)
8.3.60.0120.00318.33
8.3.50.0150.01122.94
8.3.40.0140.00018.63
8.3.30.0080.00818.98
8.3.20.0050.00219.95
8.3.10.0080.00023.48
8.3.00.0100.00017.38
8.2.180.0130.00618.41
8.2.170.0210.00322.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0060.00326.16
8.2.120.0070.00021.16
8.2.110.0030.00722.25
8.2.100.0100.00319.51
8.2.90.0070.00018.97
8.2.80.0000.00817.97
8.2.70.0060.00317.25
8.2.60.0070.00017.80
8.2.50.0030.00518.07
8.2.40.0040.00417.97
8.2.30.0000.00717.97
8.2.20.0030.00617.42
8.2.10.0030.00517.91
8.2.00.0000.00717.41
8.1.280.0100.00725.92
8.1.270.0000.00823.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00624.02
8.1.230.0070.00319.16
8.1.220.0040.00417.75
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0080.00017.11
8.1.180.0000.00818.10
8.1.170.0000.00818.53
8.1.160.0070.00021.95
8.1.150.0070.00018.79
8.1.140.0040.00417.48
8.1.130.0000.00717.86
8.1.120.0040.00417.35
8.1.110.0050.00317.43
8.1.100.0040.00417.45
8.1.90.0030.00617.33
8.1.80.0040.00417.47
8.1.70.0000.00717.41
8.1.60.0040.00417.59
8.1.50.0030.00517.57
8.1.40.0030.00617.48
8.1.30.0030.00617.68
8.1.20.0030.00617.71
8.1.10.0000.00817.59
8.1.00.0000.00817.53
8.0.300.0000.00718.77
8.0.290.0050.00316.63
8.0.280.0040.00418.39
8.0.270.0000.00717.15
8.0.260.0030.00317.25
8.0.250.0030.00316.99
8.0.240.0000.00716.88
8.0.230.0000.00716.89
8.0.220.0000.00716.89
8.0.210.0090.00016.82
8.0.200.0040.00417.00
8.0.190.0000.00816.84
8.0.180.0070.00017.03
8.0.170.0000.00816.85
8.0.160.0030.00616.93
8.0.150.0050.00316.87
8.0.140.0000.00716.88
8.0.130.0030.00313.37
8.0.120.0040.00416.81
8.0.110.0080.00016.78
8.0.100.0060.00316.77
8.0.90.0000.00716.81
8.0.80.0060.00916.93
8.0.70.0040.00416.92
8.0.60.0000.00716.85
8.0.50.0000.00716.81
8.0.30.0080.01116.95
8.0.20.0080.01217.40
8.0.10.0000.00716.91
8.0.00.0090.01116.80
7.4.330.0060.00015.08
7.4.320.0030.00316.59
7.4.300.0030.00516.63
7.4.290.0040.00416.47
7.4.280.0050.00316.38
7.4.270.0070.00016.57
7.4.260.0030.00316.55
7.4.250.0040.00416.38
7.4.240.0020.00516.46
7.4.230.0070.00016.62
7.4.220.0060.01216.50
7.4.210.0090.01216.55
7.4.200.0050.00216.48
7.4.160.0110.00616.61
7.4.150.0190.00617.40
7.4.140.0140.00817.86
7.4.130.0080.01216.57
7.4.120.0050.01216.61
7.4.110.0040.01416.68
7.4.100.0120.00616.50
7.4.90.0060.01116.44
7.4.80.0100.01319.39
7.4.70.0100.01016.73
7.4.60.0080.00816.54
7.4.50.0040.00416.26
7.4.40.0100.01116.65
7.4.30.0120.00416.58
7.4.00.0100.00614.83
7.3.330.0030.00313.30
7.3.320.0000.00513.21
7.3.310.0030.00316.26
7.3.300.0030.00316.32
7.3.290.0060.01216.38
7.3.280.0100.00616.36
7.3.270.0120.00617.40
7.3.260.0130.00316.48
7.3.250.0130.00616.43
7.3.240.0110.00616.59
7.3.230.0120.00616.58
7.3.210.0080.01816.29
7.3.200.0100.01319.39
7.3.190.0130.00616.45
7.3.180.0090.00616.61
7.3.170.0110.00516.50
7.3.160.0060.01216.54
7.3.120.0090.00915.11
7.3.110.0070.00714.91
7.3.100.0040.00714.90
7.3.90.0060.00314.75
7.3.80.0070.01114.95
7.3.70.0140.00314.72
7.3.60.0060.00714.77
7.3.50.0000.01514.89
7.3.40.0100.00314.61
7.3.30.0040.01214.61
7.3.20.0030.00716.59
7.3.10.0120.00716.41
7.3.00.0080.00716.51
7.2.330.0070.01116.69
7.2.320.0080.01716.68
7.2.310.0100.00716.46
7.2.300.0090.01216.64
7.2.290.0130.00316.49
7.2.250.0110.00715.20
7.2.240.0070.01014.84
7.2.230.0030.00615.14
7.2.220.0070.00314.95
7.2.210.0030.01015.08
7.2.200.0000.01614.98
7.2.190.0130.00015.08
7.2.180.0090.00914.76
7.2.170.0040.01114.77
7.2.130.0090.00916.72
7.2.120.0080.00816.71
7.2.110.0100.00816.75
7.2.100.0070.00916.71
7.2.90.0080.01216.81
7.2.80.0100.01116.84
7.2.70.0090.00916.67
7.2.60.0100.00816.91
7.2.50.0070.01116.86
7.2.40.0060.00816.76
7.2.30.0070.00616.90
7.2.20.0080.00516.76
7.2.10.0070.00516.79
7.2.00.0040.01117.37
7.1.330.0070.00715.79
7.1.320.0030.00615.84
7.1.310.0030.00715.49
7.1.300.0030.00615.73
7.1.290.0080.00415.70
7.1.280.0090.00315.57
7.1.270.0040.00815.77
7.1.260.0060.00315.64
7.1.250.0080.00615.55
7.1.240.0090.00415.65
7.1.230.0090.00315.57
7.1.220.0060.00515.56
7.1.210.0080.00715.59
7.1.200.0080.00515.70
7.1.190.0070.01015.56
7.1.180.0070.00815.63
7.1.170.0090.00315.59
7.1.160.0040.00715.68
7.1.150.0050.00415.52
7.1.140.0040.00715.71
7.1.130.0010.01115.63
7.1.120.0080.00315.60
7.1.110.0040.00715.76
7.1.100.0050.00716.38
7.1.90.0060.00715.62
7.1.80.0030.01015.29
7.1.70.0020.00815.93
7.1.60.0040.01216.92
7.1.50.0060.01016.17
7.1.40.0020.01115.73
7.1.30.0070.00515.59
7.1.20.0020.00915.37
7.1.10.0060.00415.47
7.1.00.0050.03117.92
7.0.330.0040.00915.25
7.0.320.0080.00315.25
7.0.310.0030.00915.27
7.0.300.0060.01015.23
7.0.290.0050.00515.21
7.0.280.0100.00315.12
7.0.270.0060.00315.12
7.0.260.0030.00915.29
7.0.250.0060.00515.18
7.0.240.0020.00915.24
7.0.230.0070.00515.31
7.0.220.0090.00715.20
7.0.210.0070.00615.30
7.0.200.0030.00715.76
7.0.190.0030.00615.33
7.0.180.0030.00715.25
7.0.170.0020.00515.22
7.0.160.0020.00815.22
7.0.150.0050.00815.43
7.0.140.0050.02917.50
7.0.130.0030.00915.17
7.0.120.0080.00215.21
7.0.110.0060.00515.26
7.0.100.0040.00714.98
7.0.90.0040.00515.17
7.0.80.0040.00715.36
7.0.70.0110.00115.12
7.0.60.0060.02216.76
7.0.50.0060.03216.29
7.0.40.0050.02315.50
7.0.30.0070.02115.55
7.0.20.0110.02115.58
7.0.10.0060.03315.65
7.0.00.0070.03215.47
5.6.380.0050.01114.20
5.6.370.0110.00214.36
5.6.360.0060.00914.00
5.6.350.0050.00714.01
5.6.340.0060.00414.30
5.6.330.0050.00713.99
5.6.320.0020.00814.38
5.6.310.0040.00714.35
5.6.300.0020.00714.18
5.6.290.0070.00314.37
5.6.280.0030.03016.58
5.6.270.0100.00114.28
5.6.260.0020.01113.96
5.6.250.0050.00814.27
5.6.240.0070.00514.25
5.6.230.0030.00814.32
5.6.220.0070.00614.36
5.6.210.0030.02016.35
5.6.200.0050.03415.51
5.6.190.0080.01716.37
5.6.180.0210.02616.35
5.6.170.0150.03016.48
5.6.160.0070.02716.30
5.6.150.0060.02815.40
5.6.140.0090.02815.50
5.6.130.0050.02015.64
5.6.120.0080.02116.45
5.6.110.0090.02616.49
5.6.100.0070.02716.58
5.6.90.0030.03416.50
5.6.80.0080.02416.32
5.6.70.0040.00714.31
5.6.60.0090.00314.24
5.6.50.0080.00414.02
5.6.40.0060.00414.07
5.6.30.0020.00914.29
5.6.20.0060.00414.26
5.6.10.0050.00714.31
5.6.00.0040.00713.97
5.5.380.0040.00411.21
5.5.370.0050.00611.04
5.5.360.0050.00411.19
5.5.350.0110.02714.31
5.5.340.0070.02813.43
5.5.330.0040.02914.25
5.5.320.1270.01614.30
5.5.310.0110.02014.21
5.5.300.0060.02613.41
5.5.290.0110.02413.48
5.5.280.0010.02514.37
5.5.270.0050.02414.37
5.5.260.0060.02314.38
5.5.250.0060.01514.32
5.5.240.0030.02614.20
5.5.230.0030.00611.30
5.5.220.0020.00611.19
5.5.210.0050.00411.20
5.5.200.0060.00411.04
5.5.190.0060.00411.12
5.5.180.0050.00311.04
5.5.170.0030.00411.07
5.5.160.0030.00511.06
5.5.150.0060.00311.04
5.5.140.0000.00811.05
5.5.130.0030.00411.08
5.5.120.0060.00211.06
5.5.110.0050.00411.25
5.5.100.0050.00411.04
5.5.90.0010.00811.09
5.5.80.0050.00511.04
5.5.70.0060.00311.12
5.5.60.0080.00111.24
5.5.50.0020.00711.04
5.5.40.0040.00411.07
5.5.30.0030.00711.04
5.5.20.0050.00511.10
5.5.10.0020.00711.25
5.5.00.0010.00711.04
5.4.450.0100.02213.88
5.4.440.0090.02214.06
5.4.430.0080.02113.88
5.4.420.0030.02314.00
5.4.410.0110.01713.94
5.4.400.0050.02413.79
5.4.390.0060.02113.76
5.4.380.0060.02013.70
5.4.370.0060.01513.63
5.4.360.0040.01813.60
5.4.350.0080.01911.37
5.4.340.0060.02711.39
5.4.330.0080.00211.04
5.4.320.0050.01711.53
5.4.310.0080.01311.55
5.4.300.0070.01511.52
5.4.290.0060.01511.52
5.4.280.0050.01411.49
5.4.270.0030.01811.50
5.4.260.0050.01711.49
5.4.250.0040.01511.58
5.4.240.0050.01711.58
5.4.230.0040.01711.52
5.4.220.0050.01511.56
5.4.210.0040.01611.50
5.4.200.0060.01411.54
5.4.190.0050.01511.55
5.4.180.0040.01511.50
5.4.170.0050.01411.54
5.4.160.0050.01411.49
5.4.150.0050.01711.49
5.4.140.0040.01911.42
5.4.130.0040.01711.39
5.4.120.0060.01411.36
5.4.110.0050.01611.42
5.4.100.0070.01411.50
5.4.90.0070.01611.38
5.4.80.0050.01611.36
5.4.70.0030.01711.43
5.4.60.0040.01611.45
5.4.50.0020.01711.45
5.4.40.0030.01611.40
5.4.30.0060.01311.36
5.4.20.0030.01511.41
5.4.10.0040.01511.38
5.4.00.0040.01511.20
5.3.290.0040.01511.63
5.3.280.0060.01211.59
5.3.270.0050.01511.60
5.3.260.0070.01311.60
5.3.250.0030.01711.60
5.3.240.0020.02011.60
5.3.230.0030.01811.59
5.3.220.0010.01811.59
5.3.210.0040.01811.59
5.3.200.0060.01511.59
5.3.190.0030.01911.58
5.3.180.0050.01511.58
5.3.170.0060.01411.58
5.3.160.0030.01711.58
5.3.150.0030.01611.58
5.3.140.0060.01511.58
5.3.130.0050.01811.58
5.3.120.0060.01511.58
5.3.110.0030.01711.58
5.3.100.0060.01811.40
5.3.90.0050.01711.39
5.3.80.0050.01711.39
5.3.70.0070.01111.39
5.3.60.0070.01711.38
5.3.50.0040.01611.37
5.3.40.0050.01611.37
5.3.30.0040.01511.35
5.3.20.0040.01311.28
5.3.10.0040.01511.27
5.3.00.0040.01511.26
5.2.170.0030.01310.43
5.2.160.0050.01310.43
5.2.150.0030.01110.43
5.2.140.0040.01310.43
5.2.130.0070.01110.42
5.2.120.0020.01410.42
5.2.110.0040.01210.42
5.2.100.0010.01410.42
5.2.90.0020.01310.42
5.2.80.0020.01410.42
5.2.70.0040.01310.41
5.2.60.0050.01310.40
5.2.50.0050.01310.39
5.2.40.0050.01310.38
5.2.30.0050.01210.37
5.2.20.0050.01110.37
5.2.10.0010.01610.34
5.2.00.0050.01110.29
5.1.60.0020.01210.05
5.1.50.0050.01110.05
5.1.40.0050.01010.04
5.1.30.0030.01210.16
5.1.20.0030.01210.17
5.1.10.0050.01110.08
5.1.00.0020.01310.08
5.0.50.0040.0079.57
5.0.40.0010.0119.52
5.0.30.0020.0139.46
5.0.20.0030.0099.45
5.0.10.0020.0109.44
5.0.00.0030.0149.44
4.4.90.0030.0078.95
4.4.80.0010.0088.94
4.4.70.0010.0118.94
4.4.60.0010.0098.94
4.4.50.0040.0068.95
4.4.40.0020.0118.93
4.4.30.0010.0108.94
4.4.20.0010.0098.97
4.4.10.0020.0078.97
4.4.00.0050.0098.95
4.3.110.0040.0068.91
4.3.100.0040.0068.91
4.3.90.0030.0068.90
4.3.80.0030.0128.88
4.3.70.0010.0088.90
4.3.60.0030.0058.90
4.3.50.0020.0078.90
4.3.40.0020.0118.87
4.3.30.0010.0098.46
4.3.20.0030.0088.45
4.3.10.0020.0078.44
4.3.00.0010.0109.74

preferences:
34.9 ms | 401 KiB | 5 Q