3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'test'; var_dump("$foo"); var_dump("{$foo}"); var_dump("${foo}");

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)
8.4.120.0100.01024.06
8.4.110.0110.00922.31
8.4.100.0160.00517.63
8.4.90.0110.00917.88
8.4.80.0120.00817.95
8.4.70.0090.00818.01
8.4.60.0110.01018.68
8.4.50.0100.00818.66
8.4.40.0030.01719.39
8.4.30.0060.01217.85
8.4.20.0100.01017.74
8.4.10.0040.00417.65
8.3.250.0080.01118.98
8.3.240.0100.00617.14
8.3.230.0110.00816.66
8.3.220.0120.00616.62
8.3.210.0110.00716.68
8.3.200.0040.00516.75
8.3.190.0040.00417.26
8.3.180.0090.00916.95
8.3.170.0140.00420.66
8.3.160.0040.01516.98
8.3.150.0090.00918.82
8.3.140.0080.00816.84
8.3.130.0060.00318.55
8.3.120.0160.00318.73
8.3.110.0080.00420.94
8.3.100.0250.00330.80
8.3.90.0260.00432.15
8.3.80.0200.00727.75
8.3.70.0220.00827.02
8.3.60.0160.00627.02
8.3.50.0130.01127.15
8.3.40.0180.01228.10
8.3.30.0130.01328.05
8.3.20.0150.01129.17
8.3.10.0140.00829.65
8.3.00.0150.00829.08
8.2.290.0050.01420.20
8.2.280.0090.01018.41
8.2.270.0080.01116.86
8.2.260.0090.00920.77
8.2.250.0060.00316.41
8.2.240.0040.00416.95
8.2.230.0130.00622.58
8.2.220.0080.00537.54
8.2.210.0120.01132.15
8.2.200.0190.00527.97
8.2.190.0240.00127.84
8.2.180.0200.00528.04
8.2.170.0220.00530.25
8.2.160.0170.00828.41
8.2.150.0200.00630.86
8.2.140.0240.00231.10
8.2.130.0200.00928.62
8.2.120.0150.01031.85
8.2.110.0200.00629.29
8.2.100.0180.00427.63
8.2.90.0110.01227.88
8.2.80.0170.00928.13
8.2.70.0090.00758.60
8.2.60.0200.00444.93
8.2.50.0150.00844.99
8.2.40.0140.00844.89
8.2.30.0170.00245.39
8.2.20.0110.00744.78
8.2.10.0150.00644.96
8.2.00.0120.00458.70
8.1.330.0110.01021.96
8.1.320.0090.01016.04
8.1.310.0040.00416.45
8.1.300.0130.00617.88
8.1.290.0220.00528.21
8.1.280.0200.01031.73
8.1.270.0200.00530.76
8.1.260.0190.01231.94
8.1.250.0170.00832.81
8.1.240.0240.00228.31
8.1.230.0210.00429.24
8.1.220.0190.00527.64
8.1.210.0190.00428.16
8.1.200.0090.00758.52
8.1.190.0160.00444.70
8.1.180.0120.00744.99
8.1.170.0200.00044.89
8.1.160.0150.00645.90
8.1.150.0170.00545.21
8.1.140.0140.00645.43
8.1.130.0120.00744.79
8.1.120.0160.00444.76
8.1.110.0160.00444.76
8.1.100.0140.00544.71
8.1.90.0140.00644.74
8.1.80.0130.00744.76
8.1.70.0170.00444.78
8.1.60.0150.00744.82
8.1.50.0150.00844.79
8.1.40.0170.00444.78
8.1.30.0190.00544.81
8.1.20.0160.00744.80
8.1.10.0150.00744.76
8.1.00.0160.00644.71
8.0.300.0250.00428.75
8.0.290.0110.00844.48
8.0.280.0110.00545.08
8.0.270.0160.00444.70
8.0.260.0110.00944.68
8.0.250.0130.00644.58
8.0.240.0170.00244.57
8.0.230.0180.00444.59
8.0.220.0190.00244.53
8.0.210.0150.00644.55
8.0.200.0140.00744.54
8.0.190.0140.00744.60
8.0.180.0170.00644.56
8.0.170.0160.00944.53
8.0.160.0150.00444.55
8.0.150.0110.00644.54
8.0.140.0160.00644.50
8.0.130.0160.00543.39
8.0.120.0140.00744.56
8.0.110.0170.00444.53
8.0.100.0170.00344.55
8.0.90.0140.00444.50
8.0.80.0160.00844.56
8.0.70.0140.00744.49
8.0.60.0190.00144.57
8.0.50.0150.00544.59
8.0.30.0140.00844.65
8.0.20.0170.00533.81
8.0.10.0120.00544.56
8.0.00.0150.00437.53
7.4.330.0140.00443.98
7.4.320.0150.00444.43
7.4.300.0160.00444.49
7.4.290.0180.00244.48
7.4.280.0140.00644.45
7.4.270.0140.00744.49
7.4.260.0170.00344.44
7.4.250.0150.00544.49
7.4.240.0090.00837.48
7.4.230.0170.00244.52
7.4.220.0150.00744.49
7.4.210.0170.00544.47
7.4.200.0150.00344.52
7.4.190.0230.00558.43
7.4.180.0210.00558.43
7.4.160.0190.00344.43
7.4.150.0160.00744.75
7.4.140.0140.00738.14
7.4.130.0160.00333.25
7.4.120.0060.01133.26
7.4.110.0070.00937.51
7.4.100.0110.00937.42
7.4.90.0120.01037.44
7.4.80.0180.00538.18
7.4.70.0150.00637.35
7.4.60.0110.00837.45
7.4.50.0120.00837.40
7.4.40.0180.00437.34
7.4.30.0140.01037.32
7.4.20.0160.00744.29
7.4.10.0190.00444.36
7.4.00.0180.00732.65
7.3.330.0130.00643.30
7.3.320.0110.00643.27
7.3.310.0130.00544.34
7.3.300.0110.00744.32
7.3.290.0080.01133.08
7.3.280.0120.00733.10
7.3.270.0150.00544.75
7.3.260.0140.00737.36
7.3.250.0110.00930.35
7.3.240.0100.01133.19
7.3.230.0130.00837.42
7.3.220.0140.01044.37
7.3.210.0160.00737.36
7.3.200.0160.00537.27
7.3.190.0170.00637.32
7.3.180.0120.00937.44
7.3.170.0150.00637.39
7.3.160.0150.00637.39
7.3.150.0160.00644.46
7.3.140.0190.00544.34
7.3.130.0140.00944.37
7.3.120.0100.01137.07
7.3.110.0170.00536.99
7.3.100.0150.00636.98
7.3.90.0110.00936.94
7.3.80.0140.00636.90
7.3.70.0140.00736.90
7.3.60.0130.00636.96
7.3.50.0120.00836.93
7.3.40.0150.00536.96
7.3.30.0130.00736.89
7.3.20.0270.00832.86
7.3.10.0230.00732.88
7.3.00.0220.00332.86
7.2.340.0140.00944.48
7.2.330.0140.00837.33
7.2.320.0110.01137.42
7.2.310.0140.00837.42
7.2.300.0130.00837.46
7.2.290.0120.00837.44
7.2.280.0150.00544.49
7.2.270.0160.00344.33
7.2.260.0150.00844.48
7.2.250.0110.01137.04
7.2.240.0140.00737.11
7.2.230.0120.00737.13
7.2.220.0100.01037.06
7.2.210.0150.00637.00
7.2.200.0110.01037.08
7.2.190.0110.01036.95
7.2.180.0160.00436.98
7.2.170.0130.00837.06
7.2.160.0190.00344.43
7.2.150.0310.00737.08
7.2.140.0330.00537.06
7.2.130.0230.00937.03
7.2.120.0220.00837.00
7.2.110.0350.00836.99
7.2.100.0250.00737.09
7.2.90.0280.00537.06
7.2.80.0240.00437.02
7.2.70.0220.00737.02
7.2.60.0160.00833.08
7.2.50.0230.01137.03
7.2.40.0230.00637.02
7.2.30.0260.00533.17
7.2.20.0220.00733.09
7.2.10.0220.00933.14
7.2.00.0190.01130.89
7.1.330.0110.00937.00
7.1.320.0110.00837.00
7.1.310.0100.00636.93
7.1.300.0110.00936.99
7.1.290.0130.00637.00
7.1.280.0110.00937.01
7.1.270.0070.00837.00
7.1.260.0130.00436.96
7.1.250.0270.00736.57
7.1.240.0410.00736.47
7.1.230.0200.00736.49
7.1.220.0270.00536.53
7.1.210.0250.00636.50
7.1.200.0210.00632.31
7.1.190.0260.00636.53
7.1.180.0280.00436.50
7.1.170.0270.00536.49
7.1.160.0210.00536.54
7.1.150.0220.00832.47
7.1.140.0250.00832.50
7.1.130.0220.00932.55
7.1.120.0200.00932.56
7.1.110.0240.01032.33
7.1.100.0210.00830.06
7.1.90.0250.00832.38
7.1.80.0220.00832.30
7.1.70.0240.00629.74
7.1.60.0280.00833.05
7.1.50.0250.01035.76
7.1.40.0230.00935.73
7.1.30.0260.00535.73
7.1.20.0210.00935.71
7.1.10.0340.00932.10
7.1.00.0190.01930.46
7.0.330.0250.00736.30
7.0.320.0220.00736.36
7.0.310.0230.01136.28
7.0.300.0250.00736.33
7.0.290.0210.00736.42
7.0.280.0210.00536.34
7.0.270.0230.00932.37
7.0.260.0420.00832.30
7.0.250.0210.00932.28
7.0.240.0230.00732.22
7.0.230.0210.00532.10
7.0.220.0230.00932.18
7.0.210.0230.00832.05
7.0.200.0200.00929.21
7.0.190.0210.00632.11
7.0.180.0220.00731.98
7.0.170.0190.00931.99
7.0.160.0190.00732.00
7.0.150.0190.00631.96
7.0.140.0210.00732.03
7.0.130.0180.00831.98
7.0.120.0160.00931.95
7.0.110.0170.00931.95
7.0.100.0230.00531.99
7.0.90.0200.00931.97
7.0.80.0250.00731.96
7.0.70.0210.00831.95
7.0.60.0280.00729.93
7.0.50.0320.00930.09
7.0.40.0370.00529.98
7.0.30.0310.00430.02
7.0.20.0360.00730.04
7.0.10.0310.00629.96
7.0.00.0320.00530.07
5.6.400.0120.01044.15
5.6.390.0150.00544.25
5.6.380.0140.00836.52
5.6.370.0170.00736.67
5.6.360.0160.00636.77
5.6.350.0110.00736.73
5.6.340.0140.00936.77
5.6.330.0150.00436.73
5.6.320.0170.00736.66
5.6.310.0170.00936.80
5.6.300.0130.02033.63
5.6.290.0160.01933.57
5.6.280.0110.02831.45
5.6.270.0180.01933.58
5.6.260.0160.01733.50
5.6.250.0160.02133.50
5.6.240.0170.02133.50
5.6.230.0160.02233.51
5.6.220.0150.02233.46
5.6.210.0290.01331.29
5.6.200.0320.01631.42
5.6.190.0300.01631.47
5.6.180.0290.01831.43
5.6.170.0270.02131.45
5.6.160.0290.01831.43
5.6.150.0270.01531.39
5.6.140.0260.01631.43
5.6.130.0290.01431.46
5.6.120.0240.01731.42
5.6.110.0270.01431.41
5.6.100.0280.01531.42
5.6.90.0280.01931.41
5.6.80.0260.01331.21
5.6.70.0250.01531.18
5.6.60.0280.01631.16
5.6.50.0320.01331.19
5.6.40.0250.01831.22
5.6.30.0230.01831.14
5.6.20.0230.02031.21
5.6.10.0270.01831.18
5.6.00.0280.01831.17
5.5.380.0150.01732.16
5.5.370.0150.01832.25
5.5.360.0130.01932.14
5.5.350.0240.01730.19
5.5.340.0310.01430.36
5.5.330.0260.01330.35
5.5.320.0260.01330.44
5.5.310.0270.01730.36
5.5.300.0250.01730.34
5.5.290.0260.01930.40
5.5.280.0240.01430.33
5.5.270.0270.01730.35
5.5.260.0270.01430.35
5.5.250.0280.01130.23
5.5.240.0240.01430.16
5.5.230.0270.01530.14
5.5.220.0250.01630.14
5.5.210.0270.01530.21
5.5.200.0250.01630.09
5.5.190.0280.01430.06
5.5.180.0240.01630.05
5.5.170.0170.00335.82
5.5.160.0280.01630.22
5.5.150.0270.01530.14
5.5.140.0220.01430.10
5.5.130.0230.01730.17
5.5.120.0240.01530.13
5.5.110.0250.01530.13
5.5.100.0240.01530.15
5.5.90.0270.01430.17
5.5.80.0220.01930.13
5.5.70.0260.01330.10
5.5.60.0240.01330.06
5.5.50.0220.01530.11
5.5.40.0260.01230.10
5.5.30.0230.01630.11
5.5.20.0270.01530.10
5.5.10.0250.01630.11
5.5.00.0250.01630.07

preferences:
120.54 ms | 403 KiB | 5 Q