3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 'b'; echo "a{trim($b)}c";

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)
8.3.60.0090.00918.43
8.3.50.0120.00721.08
8.3.40.0070.00718.85
8.3.30.0120.00319.00
8.3.20.0060.00320.04
8.3.10.0050.00321.89
8.3.00.0040.00422.43
8.2.180.0070.01116.38
8.2.170.0040.01122.96
8.2.160.0100.00319.05
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0040.00419.77
8.2.110.0100.00022.30
8.2.100.0080.00318.09
8.2.90.0000.00819.27
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0060.00318.03
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0050.00518.12
8.2.20.0080.00017.64
8.2.10.0040.00417.55
8.2.00.0040.00417.66
8.1.280.0080.00625.92
8.1.270.0080.00023.92
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0040.00423.92
8.1.230.0090.00319.05
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01117.22
8.1.190.0030.00517.29
8.1.180.0090.00020.53
8.1.170.0050.00518.31
8.1.160.0030.00322.00
8.1.150.0000.00918.56
8.1.140.0040.00417.28
8.1.130.0030.00317.71
8.1.120.0030.00317.42
8.1.110.0040.00417.31
8.1.100.0070.00017.41
8.1.90.0020.00517.42
8.1.80.0000.00717.29
8.1.70.0030.00317.30
8.1.60.0000.00917.46
8.1.50.0000.00917.46
8.1.40.0040.00417.40
8.1.30.0040.00417.45
8.1.20.0030.00517.58
8.1.10.0000.00717.49
8.1.00.0030.00617.36
8.0.300.0070.00018.77
8.0.290.0050.00317.05
8.0.280.0030.00318.47
8.0.270.0030.00317.29
8.0.260.0040.00416.86
8.0.250.0060.00016.91
8.0.240.0040.00717.00
8.0.230.0030.00316.90
8.0.220.0000.00816.85
8.0.210.0070.00016.81
8.0.200.0000.00616.82
8.0.190.0000.00816.81
8.0.180.0040.00416.88
8.0.170.0000.00816.85
8.0.160.0000.00816.74
8.0.150.0000.00716.80
8.0.140.0040.00316.87
8.0.130.0000.00813.37
8.0.120.0040.00416.87
8.0.110.0000.00716.71
8.0.100.0030.00516.90
8.0.90.0000.00716.68
8.0.80.0090.00616.86
8.0.70.0020.00516.99
8.0.60.0000.00716.96
8.0.50.0070.00016.91
8.0.30.0140.00917.07
8.0.20.0100.00917.40
8.0.10.0070.00016.81
8.0.00.0070.00916.73
7.4.330.0050.00015.00
7.4.320.0060.00016.42
7.4.300.0030.00316.53
7.4.290.0040.00416.34
7.4.280.0070.00016.56
7.4.270.0000.00716.50
7.4.260.0040.00416.31
7.4.250.0000.00816.38
7.4.240.0030.00416.45
7.4.230.0070.00016.41
7.4.220.0030.01416.43
7.4.210.0070.00816.54
7.4.200.0000.00816.34
7.4.190.0030.00316.35
7.4.160.0040.01216.56
7.4.150.0170.00017.40
7.4.140.0100.01117.86
7.4.130.0110.01116.43
7.4.120.0090.00916.49
7.4.110.0030.01416.39
7.4.100.0070.01016.42
7.4.90.0070.01016.63
7.4.80.0110.00619.39
7.4.70.0140.00316.39
7.4.60.0150.00616.31
7.4.50.0030.00516.36
7.4.40.0000.01622.77
7.4.30.0080.00816.44
7.4.00.0050.01014.90
7.3.330.0030.00313.12
7.3.320.0020.00213.13
7.3.310.0060.00016.16
7.3.300.0000.00716.21
7.3.290.0060.00916.24
7.3.280.0070.01016.17
7.3.270.0100.00717.40
7.3.260.0090.00616.43
7.3.250.0120.00516.25
7.3.240.0030.01316.20
7.3.230.0030.01416.39
7.3.210.0130.00516.16
7.3.200.0120.00319.39
7.3.190.0130.00316.20
7.3.180.0130.00316.43
7.3.170.0150.00316.27
7.3.160.0070.01316.38
7.3.120.0040.01214.79
7.3.110.0030.01414.95
7.3.100.0030.01015.10
7.3.90.0070.00714.72
7.3.80.0060.00614.68
7.3.70.0040.00714.79
7.3.60.0040.01114.46
7.3.50.0080.00614.70
7.3.40.0110.00714.70
7.3.30.0000.01114.89
7.3.20.0100.00316.78
7.3.10.0060.00616.35
7.3.00.0070.00716.52
7.2.330.0090.00916.54
7.2.320.0100.00716.39
7.2.310.0070.01016.50
7.2.300.0110.00616.41
7.2.290.0060.00916.30
7.2.250.0100.00614.93
7.2.240.0130.00314.92
7.2.230.0120.00614.62
7.2.220.0050.00515.10
7.2.210.0070.01115.03
7.2.200.0090.00614.88
7.2.190.0060.00914.75
7.2.180.0090.00315.04
7.2.170.0040.01114.73
7.1.330.0030.01015.44
7.1.320.0030.01215.75
7.1.310.0080.00815.35
7.1.300.0100.00315.78
7.1.290.0100.00715.63
7.1.280.0000.01115.59
7.1.270.0040.00915.56
7.1.260.0030.00815.64
7.1.70.0000.00816.88
7.1.60.0090.01219.82
7.1.50.0090.00416.63
7.1.00.0030.04722.44
7.0.200.0030.00616.44
7.0.140.0000.06722.16
7.0.60.0170.08321.75
7.0.50.0070.03717.77
7.0.40.0100.04720.04
7.0.30.0330.08020.21
7.0.20.0370.07720.09
7.0.10.0100.08320.28
7.0.00.0070.04319.99
5.6.280.0070.07020.86
5.6.210.0030.04020.55
5.6.200.0000.04318.18
5.6.190.0100.07020.61
5.6.180.0300.07020.36
5.6.170.0370.06320.41
5.6.160.0070.08720.49
5.6.150.0000.04318.17
5.6.140.0100.07718.21
5.6.130.0100.08318.25
5.6.120.0000.09021.08
5.6.110.0170.07720.98
5.6.100.0100.03320.99
5.6.90.0030.04320.99
5.6.80.0030.04020.37
5.5.350.0370.07720.42
5.5.340.0070.04717.96
5.5.330.0030.06320.37
5.5.320.0330.08020.32
5.5.310.0270.06320.18
5.5.300.0070.07718.01
5.5.290.0170.06317.91
5.5.280.0200.07320.67
5.5.270.0100.06720.75
5.5.260.0000.05020.95
5.5.250.0170.07020.70
5.5.240.0270.04720.18
5.4.450.4970.04019.50
5.4.440.0070.04719.29
5.4.430.1530.05019.48
5.4.420.4900.04019.21
5.4.410.4430.03719.34
5.4.400.5000.03019.16
5.4.390.2470.03719.16
5.4.380.3570.04319.06
5.4.370.3400.03319.26
5.4.360.2370.04019.12
5.4.350.3370.04319.13
5.4.340.3630.03319.18
5.4.320.3900.03719.04
5.4.310.4270.04019.16
5.4.300.5000.04019.04
5.4.290.4200.04019.15
5.4.280.5030.03719.17
5.4.270.4800.04019.15
5.4.260.4030.03719.04
5.4.250.4630.04318.92
5.4.240.4100.04018.96
5.4.230.3900.03719.16
5.4.220.4600.04319.04
5.4.210.4870.03718.93
5.4.200.4100.04019.14
5.4.190.3900.03719.03
5.4.180.4900.03719.03
5.4.170.4170.04019.19
5.4.160.4400.04018.94
5.4.150.4500.03318.85
5.4.140.4730.02716.39
5.4.130.4900.03316.49
5.4.120.4670.04016.48
5.4.110.4930.03316.50
5.4.100.4900.04016.37
5.4.90.4670.03016.46
5.4.80.5100.03016.40
5.4.70.4230.03016.23
5.4.60.3970.03716.29
5.4.50.4270.04016.43
5.4.40.5000.04016.13
5.4.30.4400.03316.14
5.4.20.0070.03716.20
5.4.10.0070.04316.31
5.4.00.3970.03715.86
5.3.290.3830.04014.45
5.3.280.4530.04014.54
5.3.270.4200.04014.69
5.3.260.3900.03314.52
5.3.250.3970.03714.42
5.3.240.4200.03714.48
5.3.230.5070.03014.49
5.3.220.4600.03714.54
5.3.210.4900.04014.48
5.3.200.4830.04314.44
5.3.190.4770.04014.52
5.3.180.4930.03714.48
5.3.170.4070.04714.48
5.3.160.4300.02714.57
5.3.150.3700.04014.38
5.3.140.4370.03714.43
5.3.130.4830.03714.50
5.3.120.3430.04014.44
5.3.110.0100.07014.44
5.3.100.4130.03713.96
5.3.90.4570.03313.94
5.3.80.4030.03713.98
5.3.70.3970.03013.85
5.3.60.4200.04013.93
5.3.50.4070.03713.87
5.3.40.4100.03013.86
5.3.30.4530.03713.69
5.3.20.4670.03713.63
5.3.10.4270.03313.59
5.3.00.3200.03713.73
5.2.170.3270.02311.30
5.2.160.3670.03010.96
5.2.150.4030.03711.08
5.2.140.4130.03311.02
5.2.130.3600.03011.03
5.2.120.3300.03311.07
5.2.110.3270.02711.04
5.2.100.0070.06011.10
5.2.90.0000.07011.03
5.2.80.0100.04311.03
5.2.70.0600.05011.09
5.2.60.3870.03011.00
5.2.50.4130.03010.89
5.2.40.3370.03310.99
5.2.30.3330.02710.79
5.2.20.3630.03010.94
5.2.10.1330.02310.82
5.2.00.1630.03310.71
5.1.60.1530.0279.94
5.1.50.1870.0239.95
5.1.40.1830.0209.98
5.1.30.1770.03010.49
5.1.20.2000.02710.34
5.1.10.2000.02310.04
5.1.00.1970.02710.11
5.0.50.1300.0208.68
5.0.40.1430.0208.45
5.0.30.1200.0238.06
5.0.20.1030.0178.33
5.0.10.0870.0238.15
5.0.00.1100.0278.21
4.4.90.1900.0175.86
4.4.80.1830.0205.88
4.4.70.1930.0175.80
4.4.60.1630.0135.79
4.4.50.0730.0135.81
4.4.40.1130.0235.79
4.4.30.0570.0135.81
4.4.20.1100.0135.86
4.4.10.0530.0175.95
4.4.00.1300.0275.81
4.3.110.0530.0105.72
4.3.100.1030.0175.73
4.3.90.0930.0175.66
4.3.80.0900.0205.75
4.3.70.1070.0105.79
4.3.60.0570.0175.76
4.3.50.0970.0135.75
4.3.40.0870.0235.71
4.3.30.0600.0175.20
4.3.20.0670.0135.20
4.3.10.0530.0135.20
4.3.00.0630.0135.20

preferences:
40.79 ms | 401 KiB | 5 Q