3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $b = &$a; $c = $a; echo ++$a.$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)
8.3.40.0040.01118.70
8.3.30.0070.01018.86
8.3.20.0040.00420.16
8.3.10.0050.00323.51
8.3.00.0030.00519.38
8.2.170.0140.00022.96
8.2.160.0130.00320.38
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0100.01026.16
8.2.120.0060.00322.18
8.2.110.0070.00322.12
8.2.100.0080.00317.91
8.2.90.0090.00019.22
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0040.00418.03
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0000.00718.07
8.2.20.0000.00717.66
8.2.10.0000.00819.71
8.2.00.0090.00017.58
8.1.270.0080.00021.93
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.98
8.1.230.0120.00020.94
8.1.220.0020.00517.74
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0050.00318.64
8.1.160.0070.00021.99
8.1.150.0030.00618.57
8.1.140.0040.00417.42
8.1.130.0000.00717.74
8.1.120.0040.00317.35
8.1.110.0000.00717.33
8.1.100.0030.00517.43
8.1.90.0000.00717.44
8.1.80.0050.00217.46
8.1.70.0000.00717.31
8.1.60.0060.00317.43
8.1.50.0000.00817.45
8.1.40.0030.00617.52
8.1.30.0040.00417.48
8.1.20.0030.00617.53
8.1.10.0000.00817.39
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0050.00316.91
8.0.280.0040.00418.43
8.0.270.0040.00417.16
8.0.260.0060.00017.24
8.0.250.0030.00316.97
8.0.240.0000.00816.91
8.0.230.0040.00416.92
8.0.220.0030.00316.89
8.0.210.0030.00316.90
8.0.200.0050.00216.86
8.0.190.0000.00817.00
8.0.180.0040.00416.82
8.0.170.0070.00016.97
8.0.160.0000.00817.00
8.0.150.0040.00416.85
8.0.140.0050.00316.87
8.0.130.0060.00013.26
8.0.120.0050.00216.72
8.0.110.0040.00416.76
8.0.100.0060.00316.69
8.0.90.0050.00316.68
8.0.80.0100.01016.84
8.0.70.0040.00416.88
8.0.60.0070.00016.82
8.0.50.0020.00516.83
8.0.30.0120.00717.05
8.0.20.0150.00517.40
8.0.10.0000.00817.00
8.0.00.0110.00816.62
7.4.330.0000.00515.00
7.4.320.0000.00616.50
7.4.300.0040.00416.50
7.4.290.0030.00316.40
7.4.280.0070.00016.50
7.4.270.0030.00316.59
7.4.260.0030.00716.35
7.4.250.0040.00416.47
7.4.240.0030.00316.51
7.4.230.0030.00316.55
7.4.220.0060.01216.38
7.4.210.0090.00616.51
7.4.200.0060.00316.41
7.4.190.0040.00416.68
7.4.160.0090.01216.58
7.4.150.0070.01117.40
7.4.140.0070.01117.86
7.4.130.0080.00816.38
7.4.120.0130.00516.42
7.4.110.0090.00916.56
7.4.100.0180.00616.35
7.4.90.0100.00716.43
7.4.80.0070.01519.39
7.4.70.0000.01616.41
7.4.60.0030.01716.31
7.4.50.0020.00216.43
7.4.40.0070.01122.77
7.4.30.0070.01016.45
7.4.10.0070.01115.04
7.4.00.0090.00614.94
7.3.330.0050.00013.05
7.3.320.0040.00413.04
7.3.310.0030.00316.34
7.3.300.0030.00316.25
7.3.290.0110.00716.33
7.3.280.0070.00916.29
7.3.270.0200.00917.40
7.3.260.0090.00916.48
7.3.250.0120.00516.48
7.3.240.0090.00816.31
7.3.230.0120.00316.39
7.3.210.0090.00816.31
7.3.200.0070.01119.39
7.3.190.0070.01616.22
7.3.180.0120.00316.27
7.3.170.0060.01016.34
7.3.160.0040.01116.61
7.3.130.0080.01114.84
7.3.120.0040.01114.78
7.3.110.0080.00814.81
7.3.100.0070.00814.85
7.3.90.0040.01114.78
7.3.80.0060.00914.73
7.3.70.0080.00714.85
7.3.60.0040.00914.62
7.3.50.0060.00814.78
7.3.40.0050.00714.77
7.3.30.0080.00314.69
7.3.20.0010.01416.63
7.3.10.0050.01216.59
7.3.00.0040.01116.65
7.2.330.0080.00816.66
7.2.320.0110.00616.26
7.2.310.0060.01116.59
7.2.300.0140.00316.66
7.2.290.0040.01316.63
7.2.260.0070.01214.98
7.2.250.0050.01315.12
7.2.240.0080.00614.94
7.2.230.0020.01314.83
7.2.220.0060.00914.85
7.2.210.0060.00915.06
7.2.200.0070.00914.93
7.2.190.0040.01014.92
7.2.180.0080.00514.84
7.2.170.0020.01414.89
7.2.160.0130.00315.06
7.2.150.0060.00816.88
7.2.140.0080.00216.76
7.2.130.0080.00916.93
7.2.120.0050.00516.83
7.2.110.0050.00816.67
7.2.100.0050.00816.73
7.2.90.0080.00516.87
7.2.80.0060.00816.90
7.2.70.0020.01416.85
7.2.60.0030.00916.90
7.2.50.0100.00716.86
7.2.40.0070.00716.94
7.2.30.0090.00616.80
7.2.20.0070.00616.85
7.2.10.0080.00516.75
7.2.00.0030.00716.90
7.1.330.0050.00915.60
7.1.320.0050.00715.69
7.1.310.0070.00915.64
7.1.300.0070.00515.65
7.1.290.0070.00715.86
7.1.280.0040.00915.54
7.1.270.0070.00815.57
7.1.260.0060.00815.62
7.1.250.0090.00715.76
7.1.240.0020.01215.49
7.1.230.0090.00215.86
7.1.220.0050.00915.62
7.1.210.0030.01015.75
7.1.200.0040.00615.65
7.1.190.0090.00515.55
7.1.180.0050.00815.79
7.1.170.0030.00815.51
7.1.160.0020.00915.81
7.1.150.0030.00715.79
7.1.140.0050.00815.66
7.1.130.0070.00615.71
7.1.120.0050.00815.82
7.1.110.0040.00815.80
7.1.100.0010.01015.81
7.1.90.0070.00515.83
7.1.80.0030.00615.63
7.1.70.0060.00616.05
7.1.60.0060.00916.90
7.1.50.0050.00916.01
7.1.40.0050.00515.63
7.1.30.0100.00315.78
7.1.20.0070.00515.79
7.1.10.0030.00715.80
7.1.00.0110.02218.06
7.0.330.0070.00715.46
7.0.320.0050.00715.38
7.0.310.0030.01015.46
7.0.300.0050.00515.17
7.0.290.0080.00615.29
7.0.280.0040.00515.21
7.0.270.0050.00715.39
7.0.260.0050.00715.40
7.0.250.0070.00515.39
7.0.240.0050.00415.38
7.0.230.0050.00815.39
7.0.220.0050.00715.40
7.0.210.0080.00615.33
7.0.200.0060.00315.71
7.0.190.0020.00715.43
7.0.180.0080.00515.46
7.0.170.0030.00915.49
7.0.160.0050.00815.51
7.0.150.0010.00915.44
7.0.140.0080.02817.68
7.0.130.0040.00715.33
7.0.120.0040.00615.34
7.0.110.0020.01115.34
7.0.100.0070.03216.97
7.0.90.0070.03216.90
7.0.80.0100.02916.96
7.0.70.0100.03016.95
7.0.60.0100.03016.90
7.0.50.0080.02817.12
7.0.40.0080.03015.81
7.0.30.0090.02915.75
7.0.20.0100.02915.86
7.0.10.0060.02815.79
7.0.00.0110.02915.73
5.6.400.0090.00514.42
5.6.390.0050.01014.19
5.6.380.0090.00214.32
5.6.370.0030.01014.42
5.6.360.0030.01214.34
5.6.350.0080.00514.46
5.6.340.0050.00814.38
5.6.330.0070.00914.64
5.6.320.0070.00714.45
5.6.310.0110.00514.55
5.6.300.0060.00814.38
5.6.290.0050.00814.45
5.6.280.0040.03016.47
5.6.270.0020.01114.34
5.6.260.0020.01114.11
5.6.250.0070.03316.41
5.6.240.0080.02516.31
5.6.230.0080.03216.37
5.6.220.0030.03316.50
5.6.210.0050.03116.48
5.6.200.0060.03116.44
5.6.190.0060.03216.52
5.6.180.0060.03216.57
5.6.170.0050.03416.56
5.6.160.0080.02216.58
5.6.150.0060.03016.56
5.6.140.0070.03216.46
5.6.130.0060.03316.55
5.6.120.0070.03316.50
5.6.110.0110.02716.64
5.6.100.0040.02916.63
5.6.90.0060.02716.47
5.6.80.0130.02816.29
5.6.70.0050.02416.26
5.6.60.0080.02816.26
5.6.50.0080.01516.30
5.6.40.0050.03316.35
5.6.30.0090.02716.27
5.6.20.0090.02916.31
5.6.10.0060.03216.27
5.6.00.0090.02216.26
5.5.380.0130.02916.39
5.5.370.0080.02916.20
5.5.360.0050.03016.38
5.5.350.0040.03316.20
5.5.340.0060.03316.50
5.5.330.0050.02316.58
5.5.320.0070.02716.55
5.5.310.0060.03616.41
5.5.300.0040.02216.35
5.5.290.0050.03116.55
5.5.280.0080.02916.40
5.5.270.0040.03116.36
5.5.260.0070.03116.34
5.5.250.0030.02316.13
5.5.240.0080.02816.18
5.5.230.0020.02316.22
5.5.220.0080.03116.12
5.5.210.0070.02816.17
5.5.200.0020.02316.05
5.5.190.0080.03016.12
5.5.180.0030.02716.08
5.5.170.0050.00814.06
5.5.160.0050.02116.15
5.5.150.0080.02016.17
5.5.140.0050.01816.15
5.5.130.0090.02916.17
5.5.120.0070.03116.27
5.5.110.0080.03116.13
5.5.100.0080.03016.04
5.5.90.0130.02416.17
5.5.80.0100.02016.23
5.5.70.0060.02916.05
5.5.60.0080.02916.22
5.5.50.0110.02216.16
5.5.40.0040.03116.20
5.5.30.0050.03016.11
5.5.20.0040.02515.88
5.5.10.0080.03116.08
5.5.00.0070.01616.17
5.4.450.0030.03014.80
5.4.440.0020.03414.80
5.4.430.0150.02214.91
5.4.420.0030.03014.91
5.4.410.0060.02814.80
5.4.400.0100.01714.80
5.4.390.0020.03514.83
5.4.380.0070.01814.81
5.4.370.0030.02514.73
5.4.360.0090.02114.69
5.4.350.0070.02814.76
5.4.340.0040.03214.80
5.4.330.0050.00612.63
5.4.320.0050.02514.69
5.4.310.0020.02514.69
5.4.300.0030.03214.80
5.4.290.0060.02914.83
5.4.280.0000.03514.78
5.4.270.0070.03014.77
5.4.260.0070.02214.74
5.4.250.0030.03014.79
5.4.240.0070.01814.68
5.4.230.0070.02814.74
5.4.220.0060.02514.76
5.4.210.0030.03014.79
5.4.200.0050.02914.71
5.4.190.0070.02714.72
5.4.180.0030.01914.72
5.4.170.0060.02114.79
5.4.160.0040.02214.82
5.4.150.0040.03114.77
5.4.140.0040.02313.79
5.4.130.0030.02513.77
5.4.120.0060.02613.87
5.4.110.0030.03013.89
5.4.100.0050.02613.88
5.4.90.0030.01813.87
5.4.80.0040.01613.85
5.4.70.0070.02613.89
5.4.60.0030.01813.82
5.4.50.0050.02613.87
5.4.40.0070.02713.88
5.4.30.0070.01813.81
5.4.20.0070.02413.81
5.4.10.0050.02413.83
5.4.00.0010.02013.69
5.3.290.0040.02913.29
5.3.280.0040.02613.27
5.3.270.0020.03013.24
5.3.260.0030.03213.23
5.3.250.0050.02613.25
5.3.240.0020.03013.27
5.3.230.0040.03113.23
5.3.220.0050.03113.26
5.3.210.0080.02813.27
5.3.200.0080.02613.24
5.3.190.0060.02513.27
5.3.180.0030.02013.21
5.3.170.0070.01313.27
5.3.160.0030.01813.25
5.3.150.0090.02613.21
5.3.140.0020.02113.24
5.3.130.0040.01813.22
5.3.120.0030.01613.25
5.3.110.0030.03013.21
5.3.100.0070.01713.05
5.3.90.0070.02713.09
5.3.80.0020.02013.09
5.3.70.0060.02613.07
5.3.60.0050.02813.08
5.3.50.0010.02213.00
5.3.40.0050.02912.98
5.3.30.0020.02013.05
5.3.20.0050.02712.97
5.3.10.0070.02612.96
5.3.00.0040.01812.95
5.2.170.0070.06312.04
5.2.160.0070.06312.04
5.2.150.0070.04312.04
5.2.140.0100.05712.04
5.2.130.0130.05312.04
5.2.120.0030.06012.04
5.2.110.0070.05012.04
5.2.100.0000.03012.04
5.2.90.0000.04312.04
5.2.80.0070.06012.04
5.2.70.0070.04012.04
5.2.60.0070.06012.04
5.2.50.0070.06312.04
5.2.40.0100.05712.04
5.2.30.0030.06312.04
5.2.20.0070.04312.04
5.2.10.0100.05712.04
5.2.00.0130.05012.04
5.1.60.0030.05312.04
5.1.50.0030.05712.04
5.1.40.0000.03712.04
5.1.30.0100.04312.04
5.1.20.0030.03012.04
5.1.10.0000.04012.04
5.1.00.0100.05312.04
5.0.50.0100.04012.04
5.0.40.0030.04712.04
5.0.30.0030.05012.04
5.0.20.0070.04012.04
5.0.10.0000.03712.04
5.0.00.0100.05712.04
4.4.90.0030.03312.04
4.4.80.0070.03312.04
4.4.70.0030.01712.04
4.4.60.0000.03712.04
4.4.50.0100.03012.04
4.4.40.0000.05312.04
4.4.30.0000.02712.04
4.4.20.0070.02712.04
4.4.10.0070.03312.04
4.4.00.0030.02712.04
4.3.110.0100.02712.04
4.3.100.0030.03312.04
4.3.90.0000.03312.04
4.3.80.0000.05012.04
4.3.70.0000.03012.04
4.3.60.0070.02012.04
4.3.50.0030.03312.04
4.3.40.0030.05012.04
4.3.30.0070.03012.04
4.3.20.0070.03012.04
4.3.10.0030.03312.04
4.3.00.0000.03312.04

preferences:
38.28 ms | 400 KiB | 5 Q