3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 23; $aa = 2233; echo "a${'a'+'b'}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)
8.3.40.0140.00018.84
8.3.30.0070.00719.07
8.3.20.0070.00020.21
8.3.10.0050.00223.70
8.3.00.0040.00419.26
8.2.170.0040.01122.96
8.2.160.0070.00720.33
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.90
8.2.110.0000.01021.96
8.2.100.0060.00617.91
8.2.90.0000.00719.14
8.2.80.0030.00517.97
8.2.70.0030.00517.62
8.2.60.0030.00617.68
8.2.50.0040.00418.07
8.2.40.0030.00518.06
8.2.30.0070.00018.05
8.2.20.0060.00317.74
8.2.10.0030.00618.05
8.2.00.0040.00417.61
8.1.270.0060.00323.79
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00723.86
8.1.230.0000.01119.21
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0000.00917.36
8.1.180.0000.00918.10
8.1.170.0070.00418.43
8.1.160.0000.00721.85
8.1.150.0020.00518.77
8.1.140.0100.00017.34
8.1.130.0000.00717.88
8.1.120.0000.00817.46
8.1.110.0030.00517.32
8.1.100.0000.00717.28
8.1.90.0060.00317.30
8.1.80.0040.00417.46
8.1.70.0030.00317.36
8.1.60.0040.00417.55
8.1.50.0000.00817.53
8.1.40.0060.00317.48
8.1.30.0040.00417.54
8.1.20.0040.00417.56
8.1.10.0040.00417.55
8.1.00.0080.00417.53
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0000.00717.19
8.0.260.0030.00317.23
8.0.250.0030.00316.88
8.0.240.0000.00716.82
8.0.230.0030.00616.85
8.0.220.0040.00416.89
8.0.210.0030.00316.79
8.0.200.0000.00716.98
8.0.190.0000.00716.91
8.0.180.0000.00716.89
8.0.170.0040.00416.91
8.0.160.0040.00416.94
8.0.150.0000.00916.77
8.0.140.0000.00816.89
8.0.130.0040.00413.36
8.0.120.0000.00716.90
8.0.110.0000.00716.81
8.0.100.0050.00216.85
8.0.90.0030.00516.76
8.0.80.0060.01016.84
8.0.70.0020.00516.76
8.0.60.0040.00416.84
8.0.50.0000.00716.76
8.0.30.0100.00817.09
8.0.20.0100.00917.40
8.0.10.0050.00516.95
8.0.00.0130.00816.74
7.4.330.0050.00215.00
7.4.320.0030.00316.57
7.4.300.0030.00616.51
7.4.290.0070.00016.57
7.4.280.0040.00416.50
7.4.270.0040.00416.50
7.4.260.0040.00416.59
7.4.250.0000.00716.44
7.4.240.0020.00516.53
7.4.230.0030.00316.53
7.4.220.0100.00716.46
7.4.210.0030.01216.70
7.4.200.0050.00316.49
7.4.150.0130.00717.40
7.4.140.0090.00817.86
7.4.130.0100.00916.56
7.4.120.0060.01516.56
7.4.110.0040.01516.43
7.4.100.0050.01116.52
7.4.90.0030.01516.47
7.4.80.0130.00319.39
7.4.70.0140.01016.54
7.4.60.0120.00616.48
7.4.50.0050.00316.47
7.4.40.0070.01016.55
7.4.30.0100.00616.39
7.4.10.0050.01315.03
7.4.00.0040.01414.86
7.3.330.0000.00613.17
7.3.320.0000.00513.24
7.3.310.0030.00316.16
7.3.300.0030.00316.24
7.3.290.0080.00516.22
7.3.280.0080.00616.18
7.3.270.0120.00617.40
7.3.260.0110.00816.22
7.3.250.0060.01116.21
7.3.240.0110.00916.30
7.3.230.0120.00616.39
7.3.210.0130.00316.36
7.3.200.0070.01019.39
7.3.190.0060.01016.19
7.3.180.0100.00716.39
7.3.170.0090.00616.27
7.3.160.0130.00616.38
7.3.130.0070.00914.70
7.3.120.0020.01514.85
7.3.110.0070.01114.81
7.3.100.0060.00714.74
7.3.90.0070.00714.71
7.3.80.0070.00414.75
7.3.70.0050.00614.49
7.3.60.0080.00514.86
7.3.50.0070.00414.64
7.3.40.0040.00814.68
7.3.30.0060.00814.72
7.3.20.0070.00516.49
7.3.10.0050.00816.75
7.3.00.0040.01116.54
7.2.330.0100.00716.83
7.2.320.0040.01516.63
7.2.310.0060.01516.41
7.2.300.0030.01316.71
7.2.290.0130.01016.38
7.2.260.0110.00815.07
7.2.250.0050.00914.91
7.2.240.0060.01015.20
7.2.230.0070.01115.06
7.2.220.0020.01314.88
7.2.210.0030.00814.86
7.2.200.0020.01214.96
7.2.190.0020.01214.93
7.2.180.0080.00614.99
7.2.170.0070.00514.98
7.2.160.0040.00815.00
7.2.150.0020.01116.80
7.2.140.0080.00816.90
7.2.130.0050.00616.87
7.2.120.0060.00816.95
7.2.110.0070.00616.80
7.2.100.0030.01116.87
7.2.90.0070.00916.92
7.2.80.0090.00516.77
7.2.70.0080.00516.86
7.2.60.0100.00516.82
7.2.50.0030.01416.76
7.2.40.0030.01017.04
7.2.30.0070.00816.87
7.2.20.0060.00816.80
7.2.10.0020.01316.80
7.2.00.0050.01017.57
7.1.330.0050.00815.58
7.1.320.0080.00915.61
7.1.310.0080.00515.51
7.1.300.0060.00615.54
7.1.290.0020.00915.58
7.1.280.0050.00715.62
7.1.270.0030.00715.57
7.1.260.0020.00915.53
7.1.250.0030.00815.73
7.1.240.0050.00815.70
7.1.230.0030.00615.68
7.1.220.0100.00315.77
7.1.210.0060.00515.71
7.1.200.0060.00715.56
7.1.190.0030.00815.63
7.1.180.0070.00915.74
7.1.170.0020.01115.57
7.1.160.0080.00515.63
7.1.150.0070.00715.64
7.1.140.0030.01215.54
7.1.130.0080.00315.71
7.1.120.0030.01015.50
7.1.110.0120.00215.71
7.1.100.0070.00416.42
7.1.90.0070.00715.67
7.1.80.0020.01215.84
7.1.70.0040.00516.11
7.1.60.0080.00616.84
7.1.50.0030.01216.02
7.1.40.0030.00615.76
7.1.30.0080.00415.61
7.1.20.0090.00215.55
7.1.10.0080.00415.48
7.1.00.0030.03217.83
7.0.330.0060.00615.14
7.0.320.0080.00615.19
7.0.310.0080.00715.33
7.0.300.0070.00415.20
7.0.290.0040.00915.35
7.0.280.0070.00715.00
7.0.270.0050.00715.16
7.0.260.0050.00715.34
7.0.250.0090.00315.24
7.0.240.0040.01115.46
7.0.230.0070.00715.30
7.0.220.0090.00615.09
7.0.210.0060.00515.19
7.0.200.0040.00715.72
7.0.190.0010.00715.39
7.0.180.0050.00915.38
7.0.170.0020.00715.27
7.0.160.0070.00415.27
7.0.150.0050.00815.17
7.0.140.0060.02917.61
7.0.130.0040.00915.31
7.0.120.0040.00915.28
7.0.110.0090.00415.28
7.0.100.0040.00915.24
7.0.90.0030.00815.23
7.0.80.0050.00915.27
7.0.70.0040.00615.22
7.0.60.0050.03316.92
7.0.50.0040.02216.13
7.0.40.0060.01915.68
7.0.30.0140.02415.68
7.0.20.0080.01915.59
7.0.10.0070.01815.60
7.0.00.0110.03015.53
5.6.400.0060.00814.57
5.6.390.0030.00914.35
5.6.380.0060.00314.06
5.6.370.0050.00614.47
5.6.360.0010.01014.31
5.6.350.0020.01014.39
5.6.340.0100.00514.24
5.6.330.0060.00814.37
5.6.320.0070.00314.33
5.6.310.0040.00714.22
5.6.300.0050.00814.44
5.6.290.0060.00814.11
5.6.280.0020.03116.48
5.6.270.0030.01014.26
5.6.260.0050.00514.22
5.6.250.0060.00714.48
5.6.240.0030.00914.25
5.6.230.0040.01014.36
5.6.220.0050.00914.35
5.6.210.0090.02616.32
5.6.200.0050.02115.55
5.6.190.0090.02216.38
5.6.180.0130.01916.39
5.6.170.0170.03016.35
5.6.160.0050.02116.27
5.6.150.0080.01815.59
5.6.140.0040.03215.65
5.6.130.0080.03415.51
5.6.120.0040.02416.51
5.6.110.0040.03216.62
5.6.100.0100.01816.56
5.6.90.0090.02616.43
5.6.80.0080.03016.27
5.6.70.0050.00714.23
5.6.60.0050.00814.18
5.6.50.0100.00314.11
5.6.40.0030.01214.27
5.6.30.0060.00514.24
5.6.20.0030.00913.94
5.6.10.0030.00814.27
5.6.00.0090.00514.30
5.5.380.0100.00414.07
5.5.370.0030.01114.19
5.5.360.0020.01214.29
5.5.350.0050.01616.33
5.5.340.0090.02915.35
5.5.330.0040.02016.49
5.5.320.0040.03516.25
5.5.310.0180.02816.31
5.5.300.0050.03015.50
5.5.290.0050.02115.50
5.5.280.0050.03216.39
5.5.270.0090.02916.27
5.5.260.0070.03016.34
5.5.250.0040.01916.31
5.5.240.1220.01816.12
5.5.230.0040.00614.15
5.5.220.0030.01114.06
5.5.210.0050.00914.20
5.5.200.0090.00714.20
5.5.190.0040.00714.10
5.5.180.0050.00614.20
5.5.170.0080.00514.22
5.5.160.0040.00714.29
5.5.150.0020.01314.18
5.5.140.0060.00814.36
5.5.130.0060.00913.99
5.5.120.0050.00914.33
5.5.110.0060.00714.15
5.5.100.0030.01014.10
5.5.90.0040.00414.04
5.5.80.0090.00414.14
5.5.70.0070.00313.88
5.5.60.0080.00514.04
5.5.50.0050.00714.33
5.5.40.0090.00514.09
5.5.30.0070.00614.16
5.5.20.0030.01213.95
5.5.10.0070.00714.12
5.5.00.0050.00814.14
5.4.450.0250.01814.31
5.4.440.0150.02014.15
5.4.430.0270.01314.09
5.4.420.0460.02114.05
5.4.410.0180.01914.18
5.4.400.0320.01514.08
5.4.390.0300.01714.07
5.4.380.0070.02313.90
5.4.370.0040.02513.91
5.4.360.0110.01813.89
5.4.350.0090.02213.88
5.4.340.0100.02113.94
5.4.330.0030.00811.49
5.4.320.0070.01511.88
5.4.310.0020.02011.91
5.4.300.0070.01511.86
5.4.290.0020.01711.86
5.4.280.0050.01311.88
5.4.270.0060.01411.71
5.4.260.0070.01611.88
5.4.250.0050.01511.75
5.4.240.0040.01511.81
5.4.230.0060.01711.85
5.4.220.0030.01711.79
5.4.210.0030.01911.75
5.4.200.0060.01611.85
5.4.190.0050.02111.87
5.4.180.0050.01811.73
5.4.170.0060.01711.79
5.4.160.0070.01911.84
5.4.150.0050.02011.82
5.4.140.0040.01811.81
5.4.130.0060.01311.68
5.4.120.0030.01811.72
5.4.110.0030.01611.71
5.4.100.0060.01511.73
5.4.90.0060.01611.78
5.4.80.0060.01511.69
5.4.70.0060.01311.59
5.4.60.0040.01611.67
5.4.50.0040.01711.68
5.4.40.0050.01611.67
5.4.30.0040.02011.59
5.4.20.0030.01611.63
5.4.10.0050.01911.68
5.4.00.0060.01411.54
5.3.290.0060.05412.80
5.3.280.0100.03512.71
5.3.270.0030.04412.73
5.3.260.0070.03912.72
5.3.250.0070.03612.71
5.3.240.0090.04512.72
5.3.230.0070.03712.71
5.3.220.0060.03812.68
5.3.210.0070.04812.68
5.3.200.0060.04112.68
5.3.190.0080.03912.68
5.3.180.0110.03212.68
5.3.170.0050.03712.67
5.3.160.0050.04012.68
5.3.150.0040.03912.68
5.3.140.0050.03712.66
5.3.130.0070.03712.66
5.3.120.0040.03912.66
5.3.110.0070.03812.66
5.3.100.0050.03712.12
5.3.90.0060.03612.09
5.3.80.0050.04012.08
5.3.70.0060.03612.08
5.3.60.0070.03612.06
5.3.50.0070.03412.00
5.3.40.0050.03812.00
5.3.30.0070.03511.94
5.3.20.0050.03611.72
5.3.10.0070.03311.69
5.3.00.0030.03911.67
5.2.170.0060.0299.18
5.2.160.0040.0309.18
5.2.150.0080.0279.18
5.2.140.0070.0379.18
5.2.130.0070.0279.13
5.2.120.0020.0319.14
5.2.110.0040.0329.14
5.2.100.0040.0379.14
5.2.90.0100.0379.14
5.2.80.0080.0409.13
5.2.70.0060.0339.13
5.2.60.0040.0359.09
5.2.50.0060.0369.05
5.2.40.0100.0359.03
5.2.30.0090.0399.00
5.2.20.0060.0468.99
5.2.10.0070.0368.93
5.2.00.0050.0298.79
5.1.60.0070.0218.08
5.1.50.0050.0238.07
5.1.40.0020.0268.05
5.1.30.0050.0248.41
5.1.20.0050.0258.43
5.1.10.0050.0258.15
5.1.00.0030.0278.15
5.0.50.0010.0306.63
5.0.40.0040.0186.49
5.0.30.0040.0316.30
5.0.20.0050.0236.27
5.0.10.0010.0246.25
5.0.00.0060.0296.24
4.4.90.0010.0174.78
4.4.80.0020.0194.76
4.4.70.0030.0174.76
4.4.60.0040.0154.75
4.4.50.0050.0134.77
4.4.40.0030.0254.70
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0010.0174.85
4.4.00.0010.0264.76
4.3.110.0030.0154.67
4.3.100.0030.0144.67
4.3.90.0030.0144.63
4.3.80.0050.0224.59
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0030.0164.63
4.3.40.0050.0234.54
4.3.30.0030.0193.30
4.3.20.0040.0183.27
4.3.10.0020.0163.24
4.3.00.0230.01315.98

preferences:
46.93 ms | 400 KiB | 5 Q